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.g15\").addClass(\"wp-periodic-selected\")),jQuery(\".wp-periodic-element#cg-g15\").hasClass(\"wp-periodic-active\")&&(jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").not(\".g15\").addClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .g15\").addClass(\"wp-periodic-selected\")),jQuery(\".wp-periodic-element#cg-g16\").hasClass(\"wp-periodic-active\")&&(jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").not(\".g16\").addClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .g16\").addClass(\"wp-periodic-selected\")),jQuery(\".wp-periodic-element#cg-g17\").hasClass(\"wp-periodic-active\")&&(jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").not(\".g17\").addClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .g17\").addClass(\"wp-periodic-selected\")),jQuery(\".wp-periodic-element#cg-g18\").hasClass(\"wp-periodic-active\")&&(jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").not(\".g18\").addClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .g18\").addClass(\"wp-periodic-selected\")),jQuery(\".wp-periodic-element#cg-p1\").hasClass(\"wp-periodic-active\")&&(jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").not(\".p1\").addClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .p1\").addClass(\"wp-periodic-selected\")),jQuery(\".wp-periodic-element#cg-p2\").hasClass(\"wp-periodic-active\")&&(jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").not(\".p2\").addClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .p2\").addClass(\"wp-periodic-selected\")),jQuery(\".wp-periodic-element#cg-p3\").hasClass(\"wp-periodic-active\")&&(jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").not(\".p3\").addClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .p3\").addClass(\"wp-periodic-selected\")),jQuery(\".wp-periodic-element#cg-p4\").hasClass(\"wp-periodic-active\")&&(jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").not(\".p4\").addClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .p4\").addClass(\"wp-periodic-selected\")),jQuery(\".wp-periodic-element#cg-p5\").hasClass(\"wp-periodic-active\")&&(jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").not(\".p5\").addClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .p5\").addClass(\"wp-periodic-selected\")),jQuery(\".wp-periodic-element#cg-p6\").hasClass(\"wp-periodic-active\")&&(jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").not(\".p6\").addClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .p6\").addClass(\"wp-periodic-selected\")),jQuery(\".wp-periodic-element#cg-p7\").hasClass(\"wp-periodic-active\")&&(jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").not(\".p7\").addClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .p7\").addClass(\"wp-periodic-selected\"))}),jQuery(\"#cg-all, button#wp-periodic-reset\").click(function(){jQuery(\".wp-periodic-color-guide, .wp-periodic-group-filter\").removeClass(\"wp-periodic-active\"),jQuery(\".wp-periodic-element#cg-all\").addClass(\"wp-periodic-active\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-not-selected\"),jQuery(\".wp-periodic-table .wp-periodic-element\").removeClass(\"wp-periodic-selected\"),jQuery(\".wp-periodic-filter-hide .wp-periodic-color-guide\").css({display:\"none\"}),jQuery(\".wp-periodic-element-desc div, button#wp-periodic-reset\").hide()}),jQuery(\".wp-periodic-toggle\").click(function(e){e.preventDefault();var t=jQuery(this);t.next().hasClass(\"wp-periodic-show\")?(t.next().removeClass(\"wp-periodic-show\"),t.next().slideUp(350),t.next().parent().removeClass(\"wp-periodic-active-ico\")):(t.parent().parent().find(\"li .wp-periodic-inner\").removeClass(\"wp-periodic-show\"),t.parent().parent().find(\"li .wp-periodic-inner\").slideUp(350),t.next().parent().addClass(\"wp-periodic-active-ico\"),t.next().toggleClass(\"wp-periodic-show\"),t.next().slideToggle(350))}),jQuery(\".wp-periodic-toggle\").click(function(e){e.preventDefault(),jQuery(this).next().parent().siblings().removeClass(\"wp-periodic-active-ico\")}),jQuery(\".wp-periodic-table .wp-periodic-element\").click(function(){jQuery(\"li .wp-periodic-inner\").removeClass(\"wp-periodic-show\"),jQuery(\"li .wp-periodic-inner\").slideUp(350),jQuery(\".wp-periodic-table-search li\").show(),jQuery(\".wp-periodic-table-search li\").css({display:\"block\"})}),jQuery(\".wp-periodic-to-top\").hide()}),jQuery(document).scroll(function(){300<jQuery(this).scrollTop()?jQuery(\".wp-periodic-to-top\").fadeIn():jQuery(\".wp-periodic-to-top\").fadeOut()})<\/script>\r\n\r\n<main class=\"wp-periodic-wrap\">\r\n    <div class=\"wp-periodic-table-filters wp-periodic-group\" style=\"text-align:center;\">\r\n        <div class=\"wp-periodic-col wp-periodic-filters\" style=\"text-align:center;\"> <button class=\"wp-periodic-element wp-periodic-group-filter wp-periodic-active\" id=\"cg-all\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Alle<\/font><\/font><\/button>\r\n            <button class=\"wp-periodic-element wp-periodic-group-filter\" id=\"cg-metals\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Metalen<\/font><\/font><\/button> <button class=\"wp-periodic-element wp-periodic-group-filter\" id=\"cg-nonmetals\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Niet-metalen<\/font><\/font><\/button> <button class=\"wp-periodic-element wp-periodic-group-filter\" id=\"cg-states\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Staten<\/font><\/font><\/button> <button class=\"wp-periodic-element wp-periodic-group-filter\" id=\"cg-groups\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groepen<\/font><\/font><\/button> <button class=\"wp-periodic-element wp-periodic-group-filter\" id=\"cg-periods\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Perioden<\/font><\/font><\/button> <\/div>\r\n        <div class=\"wp-periodic-filter-hide\">\r\n            <div class=\"wp-periodic-element wp-periodic-alkali wp-periodic-color-guide wp-periodic-filter-metal\" id=\"cg-alkali\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Alkalimetalen<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-alkaline wp-periodic-color-guide wp-periodic-filter-metal\" id=\"cg-alkaline\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">aardalkalimetalen<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-transition wp-periodic-color-guide wp-periodic-filter-metal\" id=\"cg-transition\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">overgangsmetalen<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-post-transition wp-periodic-color-guide wp-periodic-filter-metal\" id=\"cg-post-transition\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">post-transitionele metalen<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-metalloids wp-periodic-color-guide wp-periodic-filter-metal\" id=\"cg-metalloids\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">metallo\u00efden<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-color-guide wp-periodic-filter-metal\" id=\"cg-lanthanide\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">lanthaniden<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-actinide wp-periodic-color-guide wp-periodic-filter-metal\" id=\"cg-actinide\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">actiniden<\/font><\/font><\/div>\r\n            <!-- <div class=\"wp-periodic-element wp-periodic-basic wp-periodic-color-guide wp-periodic-filter-metal\" id=\"cg-basic\">Metales b\u00e1sicos<\/div> --><!-- <div class=\"wp-periodic-element wp-periodic-semimetal wp-periodic-color-guide wp-periodic-filter-metal\" id=\"cg-semimetal\">Semimetales<\/div> -->\r\n            <div class=\"wp-periodic-element wp-periodic-nonmetal wp-periodic-color-guide wp-periodic-filter-nonmetal\" id=\"cg-nonmetal\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Geen metalen<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-halogen wp-periodic-color-guide wp-periodic-filter-nonmetal\" id=\"cg-halogen\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">halogenen<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-noble wp-periodic-color-guide wp-periodic-filter-nonmetal\" id=\"cg-noble\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">edelgassen<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-gas wp-periodic-color-guide wp-periodic-filter-states\" id=\"cg-gas\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">gassen<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-liquid wp-periodic-color-guide wp-periodic-filter-states\" id=\"cg-liquid\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">vloeistoffen<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-solid wp-periodic-color-guide wp-periodic-filter-states\" id=\"cg-solid\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">stevig<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-unknown wp-periodic-color-guide wp-periodic-filter-states\" id=\"cg-unknown\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">onbekend<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group1 wp-periodic-filter-groups\" id=\"cg-g1\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">1<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group2 wp-periodic-filter-groups\" id=\"cg-g2\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">2<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group3 wp-periodic-filter-groups\" id=\"cg-g3\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">3<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group4 wp-periodic-filter-groups\" id=\"cg-g4\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">4<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group5 wp-periodic-filter-groups\" id=\"cg-g5\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">5<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group6 wp-periodic-filter-groups\" id=\"cg-g6\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">6<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group7 wp-periodic-filter-groups\" id=\"cg-g7\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">7<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group8 wp-periodic-filter-groups\" id=\"cg-g8\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">8<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group9 wp-periodic-filter-groups\" id=\"cg-g9\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">9<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group10 wp-periodic-filter-groups\" id=\"cg-g10\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">tien<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group11 wp-periodic-filter-groups\" id=\"cg-g11\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">elf<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group12 wp-periodic-filter-groups\" id=\"cg-g12\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">12<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group13 wp-periodic-filter-groups\" id=\"cg-g13\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">13<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group14 wp-periodic-filter-groups\" id=\"cg-g14\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">14<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group15 wp-periodic-filter-groups\" id=\"cg-g15\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">vijftien<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group16 wp-periodic-filter-groups\" id=\"cg-g16\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">16<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group17 wp-periodic-filter-groups\" id=\"cg-g17\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">17<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide group18 wp-periodic-filter-groups\" id=\"cg-g18\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">18<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide period1 wp-periodic-filter-periods\" id=\"cg-p1\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">1<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide period2 wp-periodic-filter-periods\" id=\"cg-p2\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">2<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide period3 wp-periodic-filter-periods\" id=\"cg-p3\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">3<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide period4 wp-periodic-filter-periods\" id=\"cg-p4\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">4<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide period5 wp-periodic-filter-periods\" id=\"cg-p5\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">5<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide period6 wp-periodic-filter-periods\" id=\"cg-p6\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">6<\/font><\/font><\/div>\r\n            <div class=\"wp-periodic-element wp-periodic-color-guide period7 wp-periodic-filter-periods\" id=\"cg-p7\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">7<\/font><\/font><\/div>\r\n        <\/div><!-- \/filter-hide --> <button id=\"wp-periodic-reset\" style=\"display: none;\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Opnieuw opstarten<\/font><\/font><\/button>\r\n    <\/div><!-- table-filters -->\r\n    <div class=\"wp-periodic-table\">\r\n        <section class=\"wp-periodic-element wp-periodic-nonmetal wp-periodic-gas g1 p1\" id=\"h\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/waterstof\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">1<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">H<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Waterstof<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">1.008<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-noble wp-periodic-gas g18 p1\" id=\"he\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/helium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">2<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hoi<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Helium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">4.003<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkali wp-periodic-solid g1 p2\" id=\"li\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/lithium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">3<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Li<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lithium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">6.941<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkaline wp-periodic-solid g2 p2\" id=\"be\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/beryllium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">4<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zijn<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Beryllium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">9.012<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-semimetal wp-periodic-metalloids wp-periodic-solid g13 p2\" id=\"b\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/boor\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">5<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">B<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Borium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">10.81<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-nonmetal wp-periodic-solid g14 p2\" id=\"c\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/koolstof\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">6<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">VS<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Koolstof<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">12.01<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-nonmetal wp-periodic-gas g15 p2\" id=\"n\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/stikstof\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">7<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">NIET<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Stikstof<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">14.01<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-nonmetal wp-periodic-gas g16 p2\" id=\"o\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/zuurstof\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">8<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">O<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zuurstof<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">16.00 uur<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-halogen wp-periodic-gas g17 p2\" id=\"f\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/fluor\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">9<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">F<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Fluor<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">19.00 uur<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-noble wp-periodic-gas g18 p2\" id=\"ne\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/neon\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">10<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Geboren<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Neon<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">20.18<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkali wp-periodic-solid g1 p3\" id=\"na\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/natrium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">11<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">N.v.t<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Natrium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">22.99<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkaline wp-periodic-solid g2 p3\" id=\"mg\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/magnesium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">12<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">mgr<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Magnesium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">24.31<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition wp-periodic-solid g13 p3\" id=\"al\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/aluminium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">13<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Al<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Aluminium<\/font><\/font><\/div>\r\n                <p class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">26.98<\/font><\/font><\/p>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-semimetal wp-periodic-metalloids wp-periodic-solid g14 p3\" id=\"si\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/silicium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">14<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Als<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Silicium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">28.09<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-nonmetal wp-periodic-solid g15 p3\" id=\"p\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/overeenkomst\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">15<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">P<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Fosfor<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">30,97<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-nonmetal wp-periodic-solid g16 p3\" id=\"s\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/zwavel\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">16<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">S<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zwavel<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">32.07<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-halogen wp-periodic-gas g17 p3\" id=\"cl\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/chloor\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">17<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Kl<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Chloor<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">35.45<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-noble wp-periodic-gas g18 p3\" id=\"ar\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/argon\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">18<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ar<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Argon<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">39,95<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkali wp-periodic-solid g1 p4\" id=\"k\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/potassium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">19<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">K<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Potassium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">39.10<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkaline wp-periodic-solid g2 p4\" id=\"ca\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/calcium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">20<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Dat<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Calcium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">40.08<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g3 p4\" id=\"sc\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/scandium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">21<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Sc<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Scandium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">44,96<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g4 p4\" id=\"ti\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/titanium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">22<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ti<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Titanium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">47.87<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g5 p4\" id=\"v\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/vanadium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">23<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">V<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Vanadium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">50,94<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g6 p4\" id=\"cr\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/chroom\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">24<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Cr<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Chroom<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">52.00 uur<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g7 p4\" id=\"mn\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/mangaan\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">25<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Mn<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Mangaan<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">54,94<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g8 p4\" id=\"fe\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/ijzer\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">26<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Fe<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ijzer<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">55,85<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g9 p4\" id=\"co\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/kobalt\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">27<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Co<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Kobalt<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">58,93<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g10 p4\" id=\"ni\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/nikkel\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">28<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Geen van beide<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Nikkel<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">58,69<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g11 p4\" id=\"cu\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/koper\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">29<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Cu<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Koper<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">63,55<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g12 p4\" id=\"zn\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/zink\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">30<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zn<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zink<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">65.38<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition wp-periodic-solid g13 p4\" id=\"ga\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/gallium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">31<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ga<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Gallium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">69,72<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-semimetal wp-periodic-metalloids wp-periodic-solid g14 p4\" id=\"ge\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/germanium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">32<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ge<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Germanium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">72,63<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-semimetal wp-periodic-metalloids wp-periodic-solid g15 p4\" id=\"as\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/arseen\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">33<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ace<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Arseen<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">74,92<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-nonmetal wp-periodic-solid g16 p4\" id=\"se\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/selenium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">34<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Se<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Selenium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">78,97<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-halogen wp-periodic-liquid g17 p4\" id=\"br\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/broom\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">35<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Br<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bromo<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">79,90<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-noble wp-periodic-gas g18 p4\" id=\"kr\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/krypton\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">36<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Kr<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Krypton<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">83,80<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkali wp-periodic-solid g1 p5\" id=\"rb\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/rubidium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">37<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Rb<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Rubidium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">85.47<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkaline wp-periodic-solid g2 p5\" id=\"sr\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/strontium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">38<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">sr<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Strontium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">87,62<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g3 p5\" id=\"y\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/yttrium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">39<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Y<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Itrium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">88,91<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g4 p5\" id=\"zr\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/zirkonium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">40<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zr<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zirkonium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">91.22<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g5 p5\" id=\"nb\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/niobium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">41<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Nee.<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Niobium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">92,91<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g6 p5\" id=\"mo\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/molybdeen\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">42<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">MB<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Molybdeen<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">95,95<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g7 p5\" id=\"tc\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/technetium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">43<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Tc<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Technetium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">98.00 uur<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g8 p5\" id=\"ru\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/ruthenium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">44<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ru<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ruthenium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">101.1<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g9 p5\" id=\"rh\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/rhodium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">45<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">RV<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Rhodium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">102,9<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g10 p5\" id=\"pd\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/palladium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">46<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Pd<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Palladium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">106,4<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g11 p5\" id=\"ag\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/geld\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">47<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ag<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zilver<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">107,9<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g12 p5\" id=\"cd\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/cadmium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">48<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">CD<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Cadmium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">112,4<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition wp-periodic-solid g13 p5\" id=\"in\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/indisch\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">49<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">In<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Indisch<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">114,8<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition wp-periodic-solid g14 p5\" id=\"sn\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/blik\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">50<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">sn<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Blik<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">118,7<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-semimetal wp-periodic-metalloids wp-periodic-solid g15 p5\" id=\"sb\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/antimoon\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">51<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zb<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Antimoon<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">121,8<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-semimetal wp-periodic-metalloids wp-periodic-solid g16 p5\" id=\"te\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/tellurium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">52<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Jij<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Tellurium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">127,6<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-halogen wp-periodic-solid g17 p5\" id=\"i\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/jodium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">53<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">I<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Jodium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">126,9<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-noble wp-periodic-gas g18 p5\" id=\"xe\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/xenon\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">54<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Xe<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Xenon<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">131,3<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkali wp-periodic-solid g1 p6\" id=\"cs\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/cesium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">55<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Cs<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Cesium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">132,9<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkaline wp-periodic-solid g2 p6\" id=\"ba\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/barium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">56<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ba<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Barium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">137,3<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"la\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/lanthaan\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">57<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Daar<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lanthaan<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">138,9<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"ce\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/cerium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">58<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Dit<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Cerium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">140,1<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"pr\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/praseodymium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">59<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Pr<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Praseodymium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">140,9<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"nd\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/neodymium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">60<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Nd<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Neodymium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">144,2<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"pm\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/beloofd\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">61<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">P.M<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Prometio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">145<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"sm\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/samarium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">62<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">sm<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Samarium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">150,4<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"eu\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/europium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">63<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Had<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Europa<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">152,00<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"gd\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/gadolinium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">64<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Gd<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Gadolinium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">157,3<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"tb\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/terbium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">65<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Tb<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Terbio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">158,9<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"dy\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/dysprosium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">66<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Dy<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Disprosio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">162,5<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"ho\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/holmium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">67<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hoe<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Holmium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">164,9<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"er\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/erbium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">68<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Er<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Erbio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">167,3<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"tm\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/thulium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">69<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">TM<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Tulio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">168,9<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"yb\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/ytterbium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">70<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ja<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Iterbium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">173.04<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide wp-periodic-solid p6\" id=\"lu\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/lutetium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">71<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lezen<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lutetium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">175,00<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g4 p6\" id=\"hf\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/hafnium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">72<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hf<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hafnio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">178,5<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g5 p6\" id=\"ta\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/tantaal\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">73<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Jouw<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Tantaal<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">180,9<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g6 p6\" id=\"w\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/wolfraam\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">74<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">W<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Wolfraam<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">183,8<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g7 p6\" id=\"re\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/rhenium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">75<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">D<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Rhenium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">186,2<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g8 p6\" id=\"os\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/osmium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">76<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bot<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Osmio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">190,2<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g9 p6\" id=\"ir\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/iridium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">77<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">IR<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Iridium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">192,2<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g10 p6\" id=\"wp-periodic\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/platina\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">78<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Pt<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Platina<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">195,1<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-solid g11 p6\" id=\"au\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/goud\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">79<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bij<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Goud<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">197,00<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-liquid g12 p6\" id=\"hg\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/kwik\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">80<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hg<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Kwik<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">200,6<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition wp-periodic-solid g13 p6\" id=\"tl\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/thallium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">81<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Tl<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Thallium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">204,4<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition wp-periodic-solid g14 p6\" id=\"pb\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/leiding\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">82<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Pb<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lood<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">207,2<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition wp-periodic-solid g15 p6\" id=\"bi\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/bismut\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">83<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bi<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bismut<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">209.00 uur<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition wp-periodic-solid g16 p6\" id=\"po\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/polonium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">84<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Po<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Polonium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(209)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-semimetal wp-periodic-solid wp-periodic-metalloids g17 p6\" id=\"at\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/een-status\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">85<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bij<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Asto<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(210)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-noble wp-periodic-gas g18 p6\" id=\"rn\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/radon\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">86<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Rn<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Radon<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(222)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkali wp-periodic-solid g1 p7\" id=\"fr\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/frank\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">87<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Fr<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Franciscus<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(223)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-alkaline wp-periodic-solid g2 p7\" id=\"ra\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/radio\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">88<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ra<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Radio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(226)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"ac\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/actinium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">89<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ac<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Actinio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(227)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"th\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/thorium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">90<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">E<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Thorium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">232<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"pa\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/protactinium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">91<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">vader<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Protactinium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">231,00<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"u\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/uranium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">92<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">U<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Uranium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">238,00<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"np\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/neptunium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">93<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Np<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Neptunus<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(237)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"pu\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/plutonium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">94<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zou kunnen<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Neptunus<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(244)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"am\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/amerika\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">95<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ben<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Amerika<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(243)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"cm\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/curium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">96<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">cm<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Curiosa<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(247)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"bk\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/berkelium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">97<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bk<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Berkelio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(247)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"cf\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/californisch\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">98<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zien<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Californi\u00eb<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(251)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"es\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/einsteinium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">99<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Is<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Einsteinium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(252)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"fm\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/fermium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">100<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">FM<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Fermium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(257)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"md\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/mendelevium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">101<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">MD<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Mendelevium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(258)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"no\">\r\n            \r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">102<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Nee<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Nobelium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(259)<\/font><\/font><\/div>\r\n            \r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide wp-periodic-solid p7\" id=\"lr\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/laurent\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">103<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lr<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Laurencio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(262)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-unknown g4 p7\" id=\"rf\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/rutherfordio\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">104<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">RF<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Rutherfordio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(267)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-unknown g5 p7\" id=\"db\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/dubnium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">105<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">DB<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Dubnium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(268)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-unknown g6 p7\" id=\"sg\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/seborgium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">106<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Sg<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Seborgium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(269)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-unknown g7 p7\" id=\"bh\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/bohrium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">107<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bh<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bohrio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(270)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-unknown g8 p7\" id=\"hs\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/hassio\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">108<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hs<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hassium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(269)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-unknown g9 p7\" id=\"mt\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/meitnerium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">109<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">MT<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Meitnerium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(278)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-unknown g10 p7\" id=\"ds\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/darmstadio\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">110<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">DS<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Darmstade<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(281)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-unknown g11 p7\" id=\"rg\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/rontgengenie\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">111<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Rg<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">R\u00f6ntgenium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(281)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-transition wp-periodic-unknown g12 p7\" id=\"cn\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/copernicus\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">112<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Cn<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Copernicus<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(285)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition g13 p7\" id=\"nh\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/nihonium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">113<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Nh<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Nihonium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(286)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition g14 p7\" id=\"fl\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/flerovium\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">114<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Fl<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Flerovium<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(289)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition g15 p7\" id=\"mc\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/moskous\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">115<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Mc<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Moskou<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(289)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-basic wp-periodic-post-transition g16 p7\" id=\"lv\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/foiemorio\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">116<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lv<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Foiemorio<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(293)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-halogen wp-periodic-unknown g17 p7\" id=\"ts\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/gespannen\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">117<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ts<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Teneso<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(294)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-noble wp-periodic-unknown g18 p7\" id=\"og\">\r\n            <a href=\"https:\/\/chemuza.org\/nl\/oganeson\/\">\r\n                <div class=\"wp-periodic-element-number\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">118<\/font><\/font><\/div>\r\n                <h2 class=\"wp-periodic-element-symbol\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Og<\/font><\/font><\/h2>\r\n                <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Oganeson<\/font><\/font><\/div>\r\n                <div class=\"wp-periodic-element-weight\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">(294)<\/font><\/font><\/div>\r\n            <\/a>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-lanthanide\" id=\"lan\">\r\n            <div class=\"wp-periodic-element-number\">&nbsp;<\/div>\r\n            <h2 class=\"wp-periodic-element-symbol\">&nbsp;<\/h2>\r\n            <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lanthaniden<\/font><\/font><\/div>\r\n        <\/section>\r\n        <section class=\"wp-periodic-element wp-periodic-actinide\" id=\"act\">\r\n            <div class=\"wp-periodic-element-number\">&nbsp;<\/div>\r\n            <h2 class=\"wp-periodic-element-symbol\">&nbsp;<\/h2>\r\n            <div class=\"wp-periodic-element-name\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Actinidae<\/font><\/font><\/div>\r\n        <\/section>\r\n\r\n    <\/div><!-- table --><!-- table-search-->\r\n<\/main>\r\n<style type=\"text\/css\">\r\n    body {\r\n        margin: 0;\r\n        min-height: 100vh;\r\n    }\r\n\r\n    body * {\r\n        -webkit-box-sizing: border-box;\r\n        box-sizing: border-box\r\n    }\r\n\r\n    .wp-periodic-wrap {\r\n        -webkit-box-sizing: border-box !important;\r\n        box-sizing: border-box !important;\r\n        margin: 0 auto !important;\r\n        overflow: hidden;\r\n        margin-bottom: 15px !important;\r\n    }\r\n\r\n    .wp-periodic-wrap h1 {\r\n        margin-top: 0 !important;\r\n        padding-bottom: .5rem !important;\r\n        border-bottom: .125rem solid rgba(0, 0, 0, 0.5) !important\r\n    }\r\n\r\n    .wp-periodic-wrap p {\r\n        margin: 0 0 20px\r\n    }\r\n\r\n    .wp-periodic-wrap img {\r\n        width: auto;\r\n        max-width: 100%;\r\n        height: auto\r\n    }\r\n\r\n    .wp-periodic-text-center {\r\n        text-align: center\r\n    }\r\n\r\n    .wp-periodic-text-right {\r\n        text-align: right\r\n    }\r\n\r\n    main.wp-periodic-wrap {\r\n        margin: 20px auto;\r\n        width: 100%;\r\n        max-width: 1200px;\r\n        padding: 0\r\n    }\r\n\r\n    .wp-periodic-table h2 {\r\n        margin: 0px !important;\r\n        padding: 0px !important;\r\n    }\r\n\r\n    @media(min-width:1200px) {\r\n        main.wp-periodic-wrap .wp-periodic-table {\r\n            display: -ms-grid;\r\n            display: grid;\r\n            -ms-grid-columns: auto;\r\n            grid-template-columns: auto;\r\n            -ms-grid-rows: 68px 68px 68px 68px 68px 68px 68px 40px 68px 68px;\r\n            grid-template-rows: 68px 68px 68px 68px 68px 68px 68px 40px 68px 68px;\r\n\r\n        }\r\n\r\n        .wp-periodic-table .wp-periodic-lanthanide.p6 {\r\n            margin-top: -20px;\r\n        }\r\n\r\n        .wp-periodic-table .wp-periodic-actinide.p7 {\r\n            margin-top: -20px;\r\n        }\r\n\r\n        .table-mobile {\r\n            display: none !important;\r\n        }\r\n    }\r\n\r\n    @media(max-width:1200px) {\r\n\r\n        main.wp-periodic-wrap .wp-periodic-table {\r\n            max-width: 795px;\r\n            margin: auto;\r\n        }\r\n\r\n        .wp-periodic-table .wp-periodic-element {\r\n            float: left;\r\n        }\r\n\r\n        .wp-periodic-filter-hide {\r\n            margin-left: 0px !important;\r\n            display: inherit !important;\r\n        }\r\n\r\n        .wp-periodic-filter-title {\r\n            float: inherit !important;\r\n            margin-bottom: 15px;\r\n        }\r\n\r\n        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       }\r\n\r\n        #cg-states {\r\n\r\n            margin-right: 0px !important;\r\n        }\r\n\r\n        .wp-periodic-group-filter {\r\n            padding: 7px 10px !important;\r\n        }\r\n    }\r\n\r\n    @media(max-width:630px) {\r\n\r\n        main.wp-periodic-wrap .wp-periodic-table {\r\n            max-width: 465px;\r\n            margin: auto;\r\n        }\r\n\r\n        .wp-periodic-table .wp-periodic-element {\r\n            float: left;\r\n        }\r\n    }\r\n\r\n    @media(max-width:530px) {\r\n        main.wp-periodic-wrap .wp-periodic-table {\r\n            max-width: 330px;\r\n            margin: auto;\r\n        }\r\n\r\n        .wp-periodic-table .wp-periodic-element {\r\n            float: left;\r\n        }\r\n    }\r\n\r\n    @media(max-width:350px) {\r\n        main.wp-periodic-wrap .wp-periodic-table {\r\n            max-width: 265px;\r\n            margin: auto;\r\n        }\r\n\r\n        .wp-periodic-table .wp-periodic-element {\r\n            float: left;\r\n        }\r\n    }    main.wp-periodic-wrap .wp-periodic-table> :nth-child(1) {\r\n        -ms-grid-row: 1;\r\n        -ms-grid-column: 1\r\n    }\r\n\r\n    main.wp-periodic-wrap .wp-periodic-table> :nth-child(2) {\r\n        -ms-grid-row: 2;\r\n        -ms-grid-column: 1\r\n    }\r\n\r\n    main.wp-periodic-wrap .wp-periodic-table> :nth-child(3) {\r\n        -ms-grid-row: 3;\r\n        -ms-grid-column: 1\r\n    }\r\n\r\n    main.wp-periodic-wrap .wp-periodic-table> :nth-child(4) {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 1\r\n    }\r\n\r\n    main.wp-periodic-wrap .wp-periodic-table> :nth-child(5) {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 1\r\n    }\r\n\r\n    main.wp-periodic-wrap .wp-periodic-table> :nth-child(6) {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 1\r\n    }\r\n\r\n    main.wp-periodic-wrap .wp-periodic-table> :nth-child(7) {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 1\r\n    }\r\n\r\n    main.wp-periodic-wrap .wp-periodic-table> :nth-child(8) {\r\n        -ms-grid-row: 8;\r\n        -ms-grid-column: 1\r\n    }\r\n\r\n    main.wp-periodic-wrap .wp-periodic-table> :nth-child(9) {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 1\r\n    }\r\n\r\n    main.wp-periodic-wrap .wp-periodic-table> :nth-child(10) {\r\n        -ms-grid-row: 10;\r\n        -ms-grid-column: 1\r\n    }\r\n\r\n    .wp-periodic-intro-copy {\r\n        width: 70%;\r\n        float: left;\r\n    }\r\n\r\n    .wp-periodic-social {\r\n        width: 30%;\r\n        float: right;\r\n    }\r\n\r\n    .wp-periodic-social p {\r\n        margin: 0;\r\n        vertical-align: middle\r\n    }\r\n\r\n    .wp-periodic-social img {\r\n        color: #555759;\r\n        font-size: 14px;\r\n        text-decoration: none;\r\n        margin-left: 7px;\r\n        display: inline-block\r\n    }\r\n\r\n    .wp-periodic-social img:hover {\r\n        cursor: pointer\r\n    }\r\n\r\n    .wp-periodic-social .wp-periodic-social-download {\r\n        color: #555759;\r\n        font-size: 14px;\r\n        text-decoration: none\r\n    }\r\n\r\n    .wp-periodic-social img {\r\n        display: inline-block;\r\n        vertical-align: middle\r\n    }\r\n\r\n    .wp-periodic-element {\r\n        position: relative;\r\n        background: rgba(0, 0, 0, 0.25);\r\n        padding: .25rem;\r\n        margin: 2px\r\n    }\r\n\r\n    .wp-periodic-inner .wp-periodic-element {\r\n        width: 150px;\r\n        height: 150px;\r\n        padding: .5rem\r\n    }\r\n\r\n    .wp-periodic-table {\r\n        -ms-grid-columns: 62px;\r\n        grid-template-columns: 62px;\r\n        -ms-grid-rows: 62px;\r\n        grid-template-rows: 62px\r\n    }\r\n\r\n    .wp-periodic-table> :nth-child(1) {\r\n        -ms-grid-row: 1;\r\n        -ms-grid-column: 1\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-element {\r\n        width: auto;\r\n        height: 62px\r\n    }\r\n\r\n    .wp-periodic-element a {\r\n        color: #fff;\r\n        text-decoration: none;\r\n        display: block\r\n    }\r\n\r\n    .wp-periodic-element .wp-periodic-element-number,\r\n    .wp-periodic-element .wp-periodic-element-symbol,\r\n    .wp-periodic-element .wp-periodic-element-name,\r\n    .wp-periodic-element .wp-periodic-element-weight {\r\n        color: #fff;\r\n        line-height: 1\r\n    }\r\n\r\n    .wp-periodic-element .wp-periodic-element-number {\r\n        font-size: 13px;\r\n        text-align: right;\r\n        margin-bottom: 12px;\r\n        float: right;\r\n        display: inline-block\r\n    }\r\n\r\n    .wp-periodic-inner .wp-periodic-element .wp-periodic-element-number {\r\n        font-size: 30px\r\n    }\r\n\r\n    .wp-periodic-element .wp-periodic-element-symbol {\r\n        font-size: 20px;\r\n        font-weight: 400;\r\n        margin: 0;\r\n        float: left;\r\n        display: inline-block;\r\n        padding-bottom: 0px;\r\n    }\r\n\r\n    .wp-periodic-inner .wp-periodic-element .wp-periodic-element-symbol {\r\n        font-size: 55px\r\n    }\r\n\r\n    .wp-periodic-element .wp-periodic-element-name {\r\n        font-size: 8px;\r\n        margin-bottom: 3px;\r\n        clear: both\r\n    }\r\n\r\n    .wp-periodic-inner .wp-periodic-element .wp-periodic-element-name {\r\n        font-size: 12px;\r\n        position: absolute;\r\n        bottom: 25px\r\n    }\r\n\r\n    .wp-periodic-element .wp-periodic-element-weight {\r\n        font-size: 11px\r\n    }\r\n\r\n    .wp-periodic-inner .wp-periodic-element .wp-periodic-element-weight {\r\n        position: absolute;\r\n        bottom: 10px\r\n    }\r\n\r\n    .wp-periodic-table-filters .wp-periodic-element:hover {\r\n        z-index: 2;\r\n        cursor: pointer\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-element:hover {\r\n        -webkit-transform: scale(1.05);\r\n        -ms-transform: scale(1.05);\r\n        transform: scale(1.05);\r\n        z-index: 2;\r\n        cursor: pointer\r\n    }\r\n\r\n    .wp-periodic-table-filters .wp-periodic-element:hover,\r\n    .wp-periodic-filter-hide .wp-periodic-element:hover {\r\n        background-color: #005daa;\r\n        color: #fff\r\n    }\r\n\r\n    .wp-periodic-element.wp-periodic-key {\r\n        background-color: #F5F6F8;\r\n        position: relative;\r\n        border: 1px solid #BEBBBB;\r\n        width: auto;\r\n        height: auto\r\n    }\r\n\r\n    .wp-periodic-element.wp-periodic-key:hover {\r\n        cursor: default;\r\n        -webkit-transform: scale(1);\r\n        -ms-transform: scale(1);\r\n        transform: scale(1)\r\n    }\r\n\r\n    .wp-periodic-element .wp-periodic-key-title {\r\n        color: #555759;\r\n        font-size: 14px;\r\n        font-weight: 700;\r\n        position: absolute;\r\n        top: -20px;\r\n        left: 0\r\n    }\r\n\r\n    .wp-periodic-element .wp-periodic-key-info img {\r\n        margin: 0 auto;\r\n        display: block;\r\n        position: absolute;\r\n        top: 50%;\r\n        -webkit-transform: translate(0, -50%);\r\n        -ms-transform: translate(0, -50%);\r\n        transform: translate(0, -50%)\r\n    }\r\n\r\n    .wp-periodic-element.wp-periodic-color-guide,\r\n    .wp-periodic-group-filter {\r\n        background-color: #f2f3f7;\r\n        color: #555759;\r\n        font-size: 15px;\r\n        font-weight: 400;\r\n        line-height: 1;\r\n        text-align: center;\r\n        padding: 7px 20px;\r\n        border: 1px solid #BEBBBB;\r\n        border-radius: 4px\r\n    }\r\n\r\n    .wp-periodic-element.wp-periodic-color-guide:hover,\r\n    .wp-periodic-group-filter:hover {\r\n        cursor: pointer\r\n    }\r\n\r\n    .wp-periodic-group-filter:focus {\r\n        outline: none\r\n    }\r\n\r\n    .wp-periodic-element.wp-periodic-color-guide.wp-periodic-active,\r\n    .wp-periodic-group-filter.wp-periodic-active {\r\n        background-color: #004f89;\r\n        color: #fff\r\n    }\r\n\r\n    .wp-periodic-element.wp-periodic-color-guide.wp-periodic-active:hover,\r\n    .wp-periodic-group-filter.wp-periodic-active:hover {\r\n        background-color: #1e689e\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-alkali,\r\n    .wp-periodic-inner .wp-periodic-alkali {\r\n        background: #1863b6\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-alkaline,\r\n    .wp-periodic-inner .wp-periodic-alkaline {\r\n        background: #132440\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-transition,\r\n    .wp-periodic-inner .wp-periodic-transition {\r\n        background: #034786\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-basic,\r\n    .wp-periodic-inner .wp-periodic-basic {\r\n        background: #0c2947\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-semimetal,\r\n    .wp-periodic-inner .wp-periodic-semimetal {\r\n        background: #3551b5\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-nonmetal,\r\n    .wp-periodic-inner .wp-periodic-nonmetal {\r\n        background: #2976c6\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-halogen,\r\n    .wp-periodic-inner .wp-periodic-halogen {\r\n        background: #3ea1e2\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-noble,\r\n    .wp-periodic-inner .wp-periodic-noble {\r\n        background: #34ceff\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-lanthanide,\r\n    .wp-periodic-inner .wp-periodic-lanthanide {\r\n        background: #0a4d91\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-actinide,\r\n    .wp-periodic-inner .wp-periodic-actinide {\r\n        background: #6c9cc2\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-not-selected {\r\n        background: #e6e6e6\r\n    }\r\n\r\n    .wp-periodic-not-selected .wp-periodic-element-number,\r\n    .wp-periodic-not-selected .wp-periodic-element-symbol,\r\n    .wp-periodic-not-selected .wp-periodic-element-name,\r\n    .wp-periodic-not-selected .wp-periodic-element-weight {\r\n        color: #e6e6e6 !important\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-selected {\r\n        opacity: 1 !important\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-element-desc {\r\n        padding: 20px 35px;\r\n        -ms-grid-row: 4;\r\n        -ms-grid-row-span: -3;\r\n        -ms-grid-column: 13;\r\n        -ms-grid-column-span: -10;\r\n        grid-area: 4\/13\/1\/3\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-element-desc h2 {\r\n        color: #555759;\r\n        font-size: 20px;\r\n        font-weight: 700;\r\n        line-height: 1.03;\r\n        margin-bottom: 10px\r\n    }\r\n\r\n    .wp-periodic-table .wp-periodic-element-desc p {\r\n        color: #555759;\r\n        font-size: 12px;\r\n        margin-bottom: 20px\r\n    }\r\n\r\n    .wp-periodic-table-filters {\r\n        margin-bottom: 10px;\r\n        padding: 13px 30px;\r\n        border: 1px solid #ddd;\r\n        background: #f9f9f9;\r\n    }\r\n\r\n    .wp-periodic-filter-title {\r\n        margin-right: 25px;\r\n        float: left;\r\n    }\r\n\r\n    .wp-periodic-filter-title p {\r\n        margin: 4px 0 0\r\n    }\r\n\r\n    .wp-periodic-filter-title img {\r\n        display: inline-block;\r\n        vertical-align: middle\r\n    }\r\n\r\n    .wp-periodic-filter-hide {\r\n        width: 100%;\r\n        display: -webkit-box;\r\n        display: -ms-flexbox;\r\n        display: block;\r\n        -webkit-box-orient: horizontal;\r\n        -webkit-box-direction: normal;\r\n        -ms-flex-direction: row;\r\n        flex-direction: row;\r\n        text-align: center !important\r\n    }\r\n\r\n    .wp-periodic-filter-hide .wp-periodic-color-guide {\r\n        display: none\r\n    }\r\n\r\n    .wp-periodic-filter-hide .wp-periodic-element {\r\n        margin-top: 10px\r\n    }\r\n\r\n    #cg-all {\r\n        margin-right: 25px;\r\n        position: relative\r\n    }\r\n\r\n    #cg-all::after {\r\n        content: '';\r\n        width: 25px;\r\n        height: 25px;\r\n        display: block;\r\n        border-right: 1px solid #BEBBBB;\r\n        position: absolute;\r\n        right: -18px;\r\n        top: 0\r\n    }\r\n\r\n    #cg-nonmetals {\r\n        margin-right: 25px;\r\n        position: relative\r\n    }\r\n\r\n    #cg-nonmetals::after {\r\n        content: '';\r\n        width: 25px;\r\n        height: 25px;\r\n        display: block;\r\n        border-right: 1px solid #BEBBBB;\r\n        position: absolute;\r\n        right: -18px;\r\n        top: 0\r\n    }\r\n\r\n    #cg-states {\r\n        margin-right: 25px;\r\n        position: relative\r\n    }\r\n\r\n    #cg-states::after {\r\n        content: '';\r\n        width: 25px;\r\n        height: 25px;\r\n        display: block;\r\n        border-right: 1px solid #BEBBBB;\r\n        position: absolute;\r\n        right: -18px;\r\n        top: 0\r\n    }\r\n\r\n    button#wp-periodic-reset {\r\n        background: none;\r\n        color: #555759;\r\n        font-size: 14px;\r\n        padding: 0;\r\n        clear: both;\r\n        border: none\r\n    }\r\n\r\n    button#wp-periodic-reset:hover {\r\n        cursor: pointer\r\n    }\r\n\r\n    button#wp-periodic-reset:focus {\r\n        outline: none\r\n    }\r\n\r\n    #h {\r\n        -ms-grid-row: 1;\r\n        -ms-grid-column: 1;\r\n        grid-area: 1\/1\/1\/1\r\n    }\r\n\r\n    #he {\r\n        -ms-grid-row: 1;\r\n        -ms-grid-column: 18;\r\n        grid-area: 1\/18\/1\/18\r\n    }\r\n\r\n    #li {\r\n        -ms-grid-row: 2;\r\n        -ms-grid-column: 1;\r\n        grid-area: 2\/1\/2\/1\r\n    }\r\n\r\n    #be {\r\n        -ms-grid-row: 2;\r\n        -ms-grid-column: 2;\r\n        grid-area: 2\/2\/2\/2\r\n    }\r\n\r\n    #b {\r\n        -ms-grid-row: 2;\r\n        -ms-grid-column: 13;\r\n        grid-area: 2\/13\/2\/13\r\n    }\r\n\r\n    #c {\r\n        -ms-grid-row: 2;\r\n        -ms-grid-column: 14;\r\n        grid-area: 2\/14\/2\/14\r\n    }\r\n\r\n    #n {\r\n        -ms-grid-row: 2;\r\n        -ms-grid-column: 15;\r\n        grid-area: 2\/15\/2\/15\r\n    }\r\n\r\n    #o {\r\n        -ms-grid-row: 2;\r\n        -ms-grid-column: 16;\r\n        grid-area: 2\/16\/2\/16\r\n    }\r\n\r\n    #f {\r\n        -ms-grid-row: 2;\r\n        -ms-grid-column: 17;\r\n        grid-area: 2\/17\/2\/17\r\n    }\r\n\r\n    #ne {\r\n        -ms-grid-row: 2;\r\n        -ms-grid-column: 18;\r\n        grid-area: 2\/18\/2\/18\r\n    }\r\n\r\n    #na {\r\n        -ms-grid-row: 3;\r\n        -ms-grid-column: 1;\r\n        grid-area: 3\/1\/3\/1\r\n    }\r\n\r\n    #mg {\r\n        -ms-grid-row: 3;\r\n        -ms-grid-column: 2;\r\n        grid-area: 3\/2\/3\/2\r\n    }\r\n\r\n    #al {\r\n        -ms-grid-row: 3;\r\n        -ms-grid-column: 13;\r\n        grid-area: 3\/13\/3\/13\r\n    }\r\n\r\n    #si {\r\n        -ms-grid-row: 3;\r\n        -ms-grid-column: 14;\r\n        grid-area: 3\/14\/3\/14\r\n    }\r\n\r\n    #p {\r\n        -ms-grid-row: 3;\r\n        -ms-grid-column: 15;\r\n        grid-area: 3\/15\/3\/15\r\n    }\r\n\r\n    #s {\r\n        -ms-grid-row: 3;\r\n        -ms-grid-column: 16;\r\n        grid-area: 3\/16\/3\/16\r\n    }\r\n\r\n    #cl {\r\n        -ms-grid-row: 3;\r\n        -ms-grid-column: 17;\r\n        grid-area: 3\/17\/3\/17\r\n    }\r\n\r\n    #ar {\r\n        -ms-grid-row: 3;\r\n        -ms-grid-column: 18;\r\n        grid-area: 3\/18\/3\/18\r\n    }\r\n\r\n    #k {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 1;\r\n        grid-area: 4\/1\/4\/1\r\n    }\r\n\r\n    #ca {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 2;\r\n        grid-area: 4\/2\/4\/2\r\n    }\r\n\r\n    #sc {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 3;\r\n        grid-area: 4\/3\/4\/3\r\n    }\r\n\r\n    #ti {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 4;\r\n        grid-area: 4\/4\/4\/4\r\n    }\r\n\r\n    #v {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 5;\r\n        grid-area: 4\/5\/4\/5\r\n    }\r\n\r\n    #cr {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 6;\r\n        grid-area: 4\/6\/4\/6\r\n    }\r\n\r\n    #mn {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 7;\r\n        grid-area: 4\/7\/4\/7\r\n    }\r\n\r\n    #fe {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 8;\r\n        grid-area: 4\/8\/4\/8\r\n    }\r\n\r\n    #co {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 9;\r\n        grid-area: 4\/9\/4\/9\r\n    }\r\n\r\n    #ni {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 10;\r\n        grid-area: 4\/10\/4\/10\r\n    }\r\n\r\n    #cu {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 11;\r\n        grid-area: 4\/11\/4\/11\r\n    }\r\n\r\n    #zn {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 12;\r\n        grid-area: 4\/12\/4\/12\r\n    }\r\n\r\n    #ga {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 13;\r\n        grid-area: 4\/13\/4\/13\r\n    }\r\n\r\n    #ge {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 14;\r\n        grid-area: 4\/14\/4\/14\r\n    }\r\n\r\n    #as {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 15;\r\n        grid-area: 4\/15\/4\/15\r\n    }\r\n\r\n    #se {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 16;\r\n        grid-area: 4\/16\/4\/16\r\n    }\r\n\r\n    #br {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 17;\r\n        grid-area: 4\/17\/4\/17\r\n    }\r\n\r\n    #kr {\r\n        -ms-grid-row: 4;\r\n        -ms-grid-column: 18;\r\n        grid-area: 4\/18\/4\/18\r\n    }\r\n\r\n    #rb {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 1;\r\n        grid-area: 5\/1\/5\/1\r\n    }\r\n\r\n    #sr {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 2;\r\n        grid-area: 5\/2\/5\/2\r\n    }\r\n\r\n    #y {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 3;\r\n        grid-area: 5\/3\/5\/3\r\n    }\r\n\r\n    #zr {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 4;\r\n        grid-area: 5\/4\/5\/4\r\n    }\r\n\r\n    #nb {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 5;\r\n        grid-area: 5\/5\/5\/5\r\n    }\r\n\r\n    #mo {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 6;\r\n        grid-area: 5\/6\/5\/6\r\n    }\r\n\r\n    #tc {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 7;\r\n        grid-area: 5\/7\/5\/7\r\n    }\r\n\r\n    #ru {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 8;\r\n        grid-area: 5\/8\/5\/8\r\n    }\r\n\r\n    #rh {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 9;\r\n        grid-area: 5\/9\/5\/9\r\n    }\r\n\r\n    #pd {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 10;\r\n        grid-area: 5\/10\/5\/10\r\n    }\r\n\r\n    #ag {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 11;\r\n        grid-area: 5\/11\/5\/11\r\n    }\r\n\r\n    #cd {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 12;\r\n        grid-area: 5\/12\/5\/12\r\n    }\r\n\r\n    #in {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 13;\r\n        grid-area: 5\/13\/5\/13\r\n    }\r\n\r\n    #sn {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 14;\r\n        grid-area: 5\/14\/5\/14\r\n    }\r\n\r\n    #sb {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 15;\r\n        grid-area: 5\/15\/5\/15\r\n    }\r\n\r\n    #te {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 16;\r\n        grid-area: 5\/16\/5\/16\r\n    }\r\n\r\n    #i {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 17;\r\n        grid-area: 5\/17\/5\/17\r\n    }\r\n\r\n    #xe {\r\n        -ms-grid-row: 5;\r\n        -ms-grid-column: 18;\r\n        grid-area: 5\/18\/5\/18\r\n    }\r\n\r\n    #cs {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 1;\r\n        grid-area: 6\/1\/6\/1\r\n    }\r\n\r\n    #ba {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 2;\r\n        grid-area: 6\/2\/6\/2\r\n    }\r\n\r\n    #hf {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 4;\r\n        grid-area: 6\/4\/6\/4\r\n    }\r\n\r\n    #ta {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 5;\r\n        grid-area: 6\/5\/6\/5\r\n    }\r\n\r\n    #w {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 6;\r\n        grid-area: 6\/6\/6\/6\r\n    }\r\n\r\n    #re {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 7;\r\n        grid-area: 6\/7\/6\/7\r\n    }\r\n\r\n    #os {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 8;\r\n        grid-area: 6\/8\/6\/8\r\n    }\r\n\r\n    #ir {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 9;\r\n        grid-area: 6\/9\/6\/9\r\n    }\r\n\r\n    #wp-periodic {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 10;\r\n        grid-area: 6\/10\/6\/10\r\n    }\r\n\r\n    #au {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 11;\r\n        grid-area: 6\/11\/6\/11\r\n    }\r\n\r\n    #hg {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 12;\r\n        grid-area: 6\/12\/6\/12\r\n    }\r\n\r\n    #tl {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 13;\r\n        grid-area: 6\/13\/6\/13\r\n    }\r\n\r\n    #pb {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 14;\r\n        grid-area: 6\/14\/6\/14\r\n    }\r\n\r\n    #bi {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 15;\r\n        grid-area: 6\/15\/6\/15\r\n    }\r\n\r\n    #po {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 16;\r\n        grid-area: 6\/16\/6\/16\r\n    }\r\n\r\n    #at {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 17;\r\n        grid-area: 6\/17\/6\/17\r\n    }\r\n\r\n    #rn {\r\n        -ms-grid-row: 6;\r\n        -ms-grid-column: 18;\r\n        grid-area: 6\/18\/6\/18\r\n    }\r\n\r\n    #fr {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 1;\r\n        grid-area: 7\/1\/7\/1\r\n    }\r\n\r\n    #ra {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 2;\r\n        grid-area: 7\/2\/7\/2\r\n    }\r\n\r\n    #rf {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 4;\r\n        grid-area: 7\/4\/7\/4\r\n    }\r\n\r\n    #db {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 5;\r\n        grid-area: 7\/5\/7\/5\r\n    }\r\n\r\n    #sg {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 6;\r\n        grid-area: 7\/6\/7\/6\r\n    }\r\n\r\n    #bh {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 7;\r\n        grid-area: 7\/7\/7\/7\r\n    }\r\n\r\n    #hs {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 8;\r\n        grid-area: 7\/8\/7\/8\r\n    }\r\n\r\n    #mt {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 9;\r\n        grid-area: 7\/9\/7\/9\r\n    }\r\n\r\n    #ds {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 10;\r\n        grid-area: 7\/10\/7\/10\r\n    }\r\n\r\n    #rg {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 11;\r\n        grid-area: 7\/11\/7\/11\r\n    }\r\n\r\n    #cn {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 12;\r\n        grid-area: 7\/12\/7\/12\r\n    }\r\n\r\n    #nh {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 13;\r\n        grid-area: 7\/13\/7\/13\r\n    }\r\n\r\n    #fl {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 14;\r\n        grid-area: 7\/14\/7\/14\r\n    }\r\n\r\n    #mc {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 15;\r\n        grid-area: 7\/15\/7\/15\r\n    }\r\n\r\n    #lv {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 16;\r\n        grid-area: 7\/16\/7\/16\r\n    }\r\n\r\n    #ts {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 17;\r\n        grid-area: 7\/17\/7\/17\r\n    }\r\n\r\n    #og {\r\n        -ms-grid-row: 7;\r\n        -ms-grid-column: 18;\r\n        grid-area: 7\/18\/7\/18\r\n    }\r\n\r\n    #la {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 4;\r\n        grid-area: 9\/3\/9\/4\r\n    }\r\n\r\n    #ce {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 5;\r\n        grid-area: 9\/4\/9\/5\r\n    }\r\n\r\n    #pr {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 6;\r\n        grid-area: 9\/5\/9\/6\r\n    }\r\n\r\n    #nd {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 7;\r\n        grid-area: 9\/6\/9\/7\r\n    }\r\n\r\n    #pm {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 8;\r\n        grid-area: 9\/7\/9\/8\r\n    }\r\n\r\n    #sm {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 9;\r\n        grid-area: 9\/8\/9\/9\r\n    }\r\n\r\n    #eu {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 10;\r\n        grid-area: 9\/9\/9\/10\r\n    }\r\n\r\n    #gd {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 11;\r\n        grid-area: 9\/10\/9\/11\r\n    }\r\n\r\n    #tb {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 12;\r\n        grid-area: 9\/11\/9\/12\r\n    }\r\n\r\n    #dy {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 13;\r\n        grid-area: 9\/12\/9\/13\r\n    }\r\n\r\n    #ho {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 14;\r\n        grid-area: 9\/13\/9\/14\r\n    }\r\n\r\n    #er {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 15;\r\n        grid-area: 9\/14\/9\/15\r\n    }\r\n\r\n    #tm {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 16;\r\n        grid-area: 9\/15\/9\/16\r\n    }\r\n\r\n    #yb {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 17;\r\n        grid-area: 9\/16\/9\/17\r\n    }\r\n\r\n    #lu {\r\n        -ms-grid-row: 9;\r\n        -ms-grid-column: 18;\r\n        grid-area: 9\/17\/9\/18\r\n    }\r\n\r\n    #ac {\r\n        -ms-grid-row: 10;\r\n        -ms-grid-column: 4;\r\n        grid-area: 10\/3\/10\/4\r\n    }\r\n\r\n    #th {\r\n        -ms-grid-row: 10;\r\n        -ms-grid-column: 5;\r\n        grid-area: 10\/4\/10\/5\r\n    }\r\n\r\n    #pa {\r\n        -ms-grid-row: 10;\r\n        -ms-grid-column: 6;\r\n        grid-area: 10\/5\/10\/6\r\n    }\r\n\r\n    #u {\r\n        -ms-grid-row: 10;\r\n        -ms-grid-column: 7;\r\n        grid-area: 10\/6\/10\/7\r\n    }\r\n\r\n    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 -ms-grid-row: 10;\r\n        -ms-grid-column: 16;\r\n        grid-area: 10\/15\/10\/16\r\n    }\r\n\r\n    #no {\r\n        -ms-grid-row: 10;\r\n        -ms-grid-column: 17;\r\n        grid-area: 10\/16\/10\/17\r\n    }\r\n\r\n    #lr {\r\n        -ms-grid-row: 10;\r\n        -ms-grid-column: 18;\r\n        grid-area: 10\/17\/10\/18\r\n    }\r\n\r\n    #cg-alkali {\r\n        -ms-grid-row: 1;\r\n        -ms-grid-column: 1;\r\n        grid-area: 1\/1\/1\/1\r\n    }\r\n\r\n    #cg-alkaline {\r\n        -ms-grid-row: 1;\r\n        -ms-grid-column: 2;\r\n        grid-area: 1\/2\/1\/2\r\n    }\r\n\r\n    #cg-transition {\r\n        -ms-grid-row: 1;\r\n        -ms-grid-column: 3;\r\n        grid-area: 1\/3\/1\/3\r\n    }\r\n\r\n    #cg-basic {\r\n        -ms-grid-row: 1;\r\n        -ms-grid-column: 4;\r\n        grid-area: 1\/4\/1\/4\r\n    }\r\n\r\n    #cg-semimetal {\r\n        -ms-grid-row: 1;\r\n        -ms-grid-column: 5;\r\n        grid-area: 1\/5\/1\/5\r\n    }\r\n\r\n    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-ms-grid-column-span: 3;\r\n        grid-area: 9\/1\/11\/4\r\n    }\r\n\r\n    .wp-periodic-accordion {\r\n        list-style: none;\r\n        margin: 0;\r\n        padding: 0\r\n    }\r\n\r\n    .wp-periodic-accordion .wp-periodic-inner {\r\n        background-color: #F4F4F4;\r\n        margin: 0;\r\n        padding: 25px;\r\n        overflow: hidden;\r\n        display: none\r\n    }\r\n\r\n    .wp-periodic-accordion li:nth-child(even) .wp-periodic-inner {\r\n        background-color: #e6e6e6\r\n    }\r\n\r\n    .wp-periodic-accordion li:nth-child(odd) .wp-periodic-inner {\r\n        background-color: #d6d6d6\r\n    }\r\n\r\n    .wp-periodic-accordion .wp-periodic-inner:target {\r\n        display: block\r\n    }\r\n\r\n    .wp-periodic-accordion li {\r\n        margin: 0;\r\n        display: block\r\n    }\r\n\r\n    .wp-periodic-accordion p {\r\n        color: #565757\r\n    }\r\n\r\n    .wp-periodic-accordion li a.wp-periodic-toggle {\r\n        background-color: #d6d6d6;\r\n     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.wp-periodic-col-symbol p {\r\n        text-align: center\r\n    }\r\n\r\n    .wp-periodic-table-search {\r\n        position: relative\r\n    }\r\n\r\n    .wp-periodic-to-top {\r\n        background-color: #A2A4AA;\r\n        text-align: right;\r\n        width: 100%;\r\n        max-width: 1200px;\r\n        margin: 0 auto;\r\n        padding: 15px 30px;\r\n        position: fixed;\r\n        right: 0;\r\n        bottom: 0;\r\n        left: 0\r\n    }\r\n\r\n    .wp-periodic-to-top a {\r\n        color: #fff;\r\n        font-size: 16px;\r\n        text-decoration: none\r\n    }\r\n\r\n    .wp-periodic-to-top img {\r\n        height: 15px;\r\n        display: inline-block\r\n    }\r\n\r\n    .wp-periodic-search-box {\r\n        padding: .75em .75em .75em 0\r\n    }\r\n\r\n    .wp-periodic-search-box p {\r\n        color: #555759;\r\n        font-size: 14px;\r\n        margin-bottom: 10px\r\n    }\r\n\r\n    .wp-periodic-search-box input[type=\"text\"] {\r\n        font-size: 15px;\r\n  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  width: 15%;\r\n        margin-right: 1.3333%;\r\n        float: left\r\n    }\r\n\r\n    .wp-periodic-col-desc {\r\n        width: 43%;\r\n        margin-right: 3.3333%;\r\n        float: left\r\n    }\r\n\r\n    .wp-periodic-col-detail {\r\n        width: 32%;\r\n        float: left\r\n    }\r\n\r\n    .wp-periodic-table-mobile {\r\n        display: none\r\n    }\r\n\r\n    @media (max-width: 1040px) {\r\n        .wp-periodic-col-desc {\r\n            width: 75%;\r\n            margin-right: 0;\r\n            margin-left: 3%\r\n        }\r\n\r\n        .wp-periodic-col-detail {\r\n            margin-left: 19.3333%\r\n        }\r\n    }\r\n\r\n    @media (max-width: 885px) {\r\n        .wp-periodic-table-mobile {\r\n            display: block\r\n        }\r\n\r\n        .wp-periodic-col-desc {\r\n            width: 75%;\r\n            margin-right: 0;\r\n            margin-left: 6%\r\n        }\r\n\r\n        .wp-periodic-col-detail {\r\n            margin-left: 22.3333%\r\n        }\r\n\r\n        .wp-periodic-intro-copy {\r\n            width: 100%;\r\n            float: none;\r\n            display: block\r\n        }\r\n\r\n        .wp-periodic-social {\r\n            width: 100%;\r\n            float: none;\r\n            display: block\r\n        }\r\n\r\n        .wp-periodic-social .wp-periodic-text-right {\r\n            text-align: center;\r\n            margin-bottom: 20px\r\n        }\r\n\r\n        .wp-periodic-to-top {\r\n            text-align: center\r\n        }\r\n    }\r\n\r\n    @media (max-width: 788px) {\r\n        .wp-periodic-col-element {\r\n            margin-bottom: 20px\r\n        }\r\n\r\n        .wp-periodic-col-desc {\r\n            width: 100%;\r\n            margin-left: 0\r\n        }\r\n\r\n        .wp-periodic-col-detail {\r\n            width: 100%;\r\n            margin-left: 0\r\n        }\r\n    }\r\n\r\n    .wp-periodic-group:after,\r\n    .wp-periodic-table .wp-periodic-section.wp-periodic-element:after {\r\n        content: \"\";\r\n        display: table;\r\n        clear: both\r\n    }\r\n\r\n    @media(max-width:1200px) {\r\n        .wp-periodic-table .wp-periodic-element {\r\n            width: 62px !important;\r\n            height: 62px\r\n        }\r\n    }\r\n<\/style>\r\n<h2> <strong><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Wat is het periodiek systeem?<\/font><\/font><\/strong><\/h2>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Dit is een tabel die is gemaakt om elk van de bestaande chemische elementen vast te leggen en te ordenen. <\/font><font style=\"vertical-align: inherit;\">Deze worden geclassificeerd op basis van hun atoomnummer, chemische eigenschappen en elektronische configuratie.<\/font><\/font><\/p>\r\n<h2> <strong><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Kenmerken van het periodiek systeem<\/font><\/font><\/strong> <\/h2>\r\n<figure class=\"wp-block-image size-full\"><\/figure>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het periodiek systeem der elementen wordt systematisch opgesteld: in rijen en kolommen. <\/font><font style=\"vertical-align: inherit;\">Elementtypen worden ge\u00efdentificeerd door een andere kleur: groen, oranje, blauw, lila, paars, rood en geel.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">De tabel weerspiegelt de fundamentele gegevens van elk van de chemische elementen. <\/font><font style=\"vertical-align: inherit;\">Bijvoorbeeld: naam, symbool, atoommassa, atoomnummer, elektronegativiteit, oxidatietoestanden, elektronenconfiguratie en ionisatie-energie; <\/font><font style=\"vertical-align: inherit;\">op deze manier kan het gebruik ervan gemakkelijker worden bepaald.<\/font><\/font><\/p>\r\n<h3> <strong><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hoeveel elementen zijn er in het periodiek systeem?<\/font><\/font><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het periodiek systeem bevat 118 elementen die zijn bevestigd door de International Union of Pure and Applied Chemistry (IUPAC). <\/font><font style=\"vertical-align: inherit;\">Van deze elementen bestaan &ZeroWidthSpace;&ZeroWidthSpace;er 94 in de natuur en 24 elementen zijn volledig synthetisch, dat wil zeggen dat ze kunstmatig in het laboratorium zijn gemaakt.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Er moet echter worden opgemerkt dat het aantal elementen wordt bijgewerkt naarmate verschillende wetenschappers nieuwe elementen uit bestaande ontdekken, bestuderen en bestuderen.<\/font><\/font><\/p>\r\n<h2> <strong><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Waar wordt het periodiek systeem voor gebruikt?<\/font><\/font><\/strong><\/h2>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het is in veel opzichten erg nuttig voor de wetenschap. <\/font><font style=\"vertical-align: inherit;\">Het biedt bijvoorbeeld de mogelijkheid om een &ZeroWidthSpace;&ZeroWidthSpace;analyse uit te voeren van het chemische gedrag van alle elementen. <\/font><font style=\"vertical-align: inherit;\">Het helpt om de elektronische configuratie en elektronegativiteit van elementen te onderscheiden.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het helpt overeenkomsten en verschillen tussen elementen te extraheren, omdat het informatie weergeeft over de massa en het atoomnummer van elk van hen. <\/font><font style=\"vertical-align: inherit;\">Gezien de geweldige informatie die het biedt over elk van de elementen, kunnen de chemische eigenschappen van nieuwe elementen die in de tabel kunnen worden opgenomen, worden voorspeld en verkregen.<\/font><\/font><\/p>\r\n<h2> <strong><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">delen van het periodiek systeem<\/font><\/font><\/strong><\/h2>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het periodiek systeem is georganiseerd in 7 horizontale rijen, ook wel perioden genoemd. <\/font><font style=\"vertical-align: inherit;\">In deze perioden worden de elementen waarvan het aantal elektronische lagen gelijk is aan het periodenummer gegroepeerd. <\/font><font style=\"vertical-align: inherit;\">Bijvoorbeeld: de 8 elementen van periode 2 hebben elk 2 elektronenschillen.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bovendien bevat het 18 kolommen die groepen of families worden genoemd en die van links naar rechts zijn genummerd, beginnend met nummer 1 behorend tot de alkalimetalen en eindigend met nummer 18 behorend tot de edelgasfamilie.\r\n<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Elementen die tot dezelfde groep of familie behoren, hebben vergelijkbare kenmerken; vooral wordt rekening gehouden met de structuur van hun elektronen in de laatste schil van het atoom. <\/font><font style=\"vertical-align: inherit;\">Een voorbeeld is kalium, dat 4 lagen heeft, maar in de laatste heeft het maar \u00e9\u00e9n elektron en daarom zit het in groep nummer 1.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">De tabel is eveneens ingedeeld in 4 blokken: in blok S staan &ZeroWidthSpace;&ZeroWidthSpace;groepen 1 en 2 waterstof, helium, alkalimetalen en aardalkalimetalen. <\/font><font style=\"vertical-align: inherit;\">Het P-blok bestaat uit groepen 13 tot 18 en metallo\u00efden. <\/font><font style=\"vertical-align: inherit;\">Blok D bestaat uit de groepen 3 t\/m 12 en overgangsmetalen. <\/font><font style=\"vertical-align: inherit;\">Tenslotte is er blok F waaraan geen groepsnummer is toegekend; <\/font><font style=\"vertical-align: inherit;\">lanthaniden en actiniden passen hier echter wel bij.<\/font><\/font><\/p>\r\n<h2> <strong><a href=\"https:\/\/chemuza.org\/nl\/metalen\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">metalen<\/font><\/font><\/a><\/strong> <\/h2>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het zijn vaste elementen bij kamertemperatuur (behalve kwik) en bevinden zich aan de linkerkant van het periodiek systeem. <\/font><font style=\"vertical-align: inherit;\">Het belangrijkste kenmerk van metalen is dat ze de beste geleiders van warmte en elektriciteit zijn; <\/font><font style=\"vertical-align: inherit;\">Bovendien zijn ze taai, kneedbaar en resistent.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ze zijn door de tijd heen door mensen gebruikt als constructies, gereedschappen en standbeelden. <\/font><font style=\"vertical-align: inherit;\">Ze hebben een uitzonderlijke glans waardoor ze ideaal zijn voor het smeden van decoratieve stukken en sieraden.<\/font><\/font><\/p>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/alkalisch\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Alkalimetalen<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het zijn zachte, glanzende metalen en zeer reactief onder normale temperatuur- en drukomstandigheden; <\/font><font style=\"vertical-align: inherit;\">om deze reden worden ze nooit volledig puur van aard aangetroffen. <\/font><font style=\"vertical-align: inherit;\">Ze hebben lage kook- en smeltpunten, evenals een lage dichtheid. <\/font><font style=\"vertical-align: inherit;\">Ze zijn uitstekende geleiders van warmte en elektriciteit.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Onder hen zijn:<\/font><\/font><\/p>\r\n<ol>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/natrium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Natrium (Na)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/cesium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Cesium (Cs)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/potassium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Kalium (K)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/lithium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lithium (Li)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/frank\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Frank (Fr)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/rubidium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Rubidium (Rb)<\/font><\/font><\/a><\/li>\r\n<\/ol>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/alkalische-aarde\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">aardalkalimetalen<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Deze elementen bevinden zich in groep 2 van het periodiek systeem. <\/font><font style=\"vertical-align: inherit;\">De naam \u201cAlkaline Earth\u201d komt van de associatie van zijn oxiden (aarden) en zijn alkalische eigenschappen.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het zijn goede elektrische geleiders, zacht, lage dichtheid en kleurrijk. <\/font><font style=\"vertical-align: inherit;\">Enerzijds zijn ze resistenter dan alkalimetalen, maar anderzijds zijn ze minder reactief dan laatstgenoemde.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Dit zijn:<\/font><\/font><\/p>\r\n<ol>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/magnesium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Magnesium (Mg)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/barium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Barium (Ba)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/calcium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Calcium (Ca)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/beryllium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Beryllium (Be)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/radio\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Straal (Ra)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/strontium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Strontium (Sr)<\/font><\/font><\/a><\/li>\r\n<\/ol>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/van-de-transitie\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">overgangsmetalen<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Deze elementen bevinden zich in blok D, dat wil zeggen in het centrale deel van het periodiek systeem. <\/font><font style=\"vertical-align: inherit;\">Ze worden van voorbijgaande aard genoemd omdat ze op zichzelf stabiel kunnen zijn en niet met een ander element hoeven te reageren. <\/font><font style=\"vertical-align: inherit;\">Dit betekent dat wanneer de laatste schil elektronen mist om compleet te zijn, deze deze uit andere binnenste schillen haalt.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Over het algemeen zijn deze metalen hard en hebben ze hoge kook- en smeltpunten; <\/font><font style=\"vertical-align: inherit;\">Ze zijn ook uitstekende geleiders van warmte en elektriciteit.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hiertoe behoren de volgende:<\/font><\/font><\/p>\r\n<ol>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/titanium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Titaan (Ti)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/chroom\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Chroom (Cr)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/scandium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Scandium (Sc)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/vanadium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Vanadium(V)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/ijzer\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ijzer (Fe)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/nikkel\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Nikkel (Ni)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/mangaan\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Mangaan (Mn)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/zink\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zink (Zn)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/kobalt\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Kobalt (Co)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/koper\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Koper (Cu)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/zirkonium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zirkonium (Zr)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/molybdeen\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Molybdeen (Mo)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/ruthenium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ruthenium (Ru)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/yttrium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Yttrium (Y)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/niobium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Niobium (Nb)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/technetium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Technetium (Tc)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/palladium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Palladium (Pd)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/geld\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zilver (Ag)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/rhodium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Rhodium (Rh)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/lutetium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lutetium (Lu)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/cadmium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Cadmium (Cd)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/wolfraam\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Wolfraam (W)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/osmium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Osmium (bot)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/rhenium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Renium (Re)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/tantaal\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Tantaal (Ta)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/iridium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Iridium (gaan)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/kwik\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Kwik (Hg)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/platina\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Platina (PD)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/laurent\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Laurentius (Lr)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/goud\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Goud (au)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/dubnium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Dubnium (Db)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/bohrium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bohrium (Bh)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/hassio\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hassium (Hs)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/darmstadio\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Darmstatium (Ds)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/seborgium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Seaborgium (Sg)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/meitnerium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Meitnerium (berg)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/copernicus\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Copernicium (Cn)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/rontgengenie\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">R\u00f6ntgenium (Rg)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/hafnium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hafnium (Hf)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/rutherfordio\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Rutherfordium (Rf)<\/font><\/font><\/a><\/li>\r\n<\/ol>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/post-overgang\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">post-transitionele metalen<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ze staan &ZeroWidthSpace;&ZeroWidthSpace;bekend als P-blokmetalen en soms eenvoudigweg als \u2018Andere metalen\u2019. <\/font><font style=\"vertical-align: inherit;\">Ze bevinden zich in het periodiek systeem tussen de metallo\u00efden of halfmetalen aan de rechterkant en de overgangsmetalen aan de linkerkant.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Deze elementen kunnen door hun vorm duidelijk als metalen worden ge\u00efdentificeerd; <\/font><font style=\"vertical-align: inherit;\">hun metallische eigenschappen zijn echter zwakker dan die van overgangsmetalen, omdat ze doorgaans lagere smeltpunten en lagere mechanische sterkte hebben.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Sommige ervan zijn:<\/font><\/font><\/p>\r\n<ol>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/bismut\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Bismut (Bi)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/aluminium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Aluminium (Al)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/gallium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Gallium (Ga)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/indisch\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Indiaas (In)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/blik\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Tin (Sn)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/leiding\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lood (Pb)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/thallium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Thallium (Tl)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/nihonium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Nihonium (Nh)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/moskous\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Barbarijse (Mc)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/flerovium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Flerovium (Fl)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/foiemorio\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Livermore (niveau)<\/font><\/font><\/a><\/li>\r\n<\/ol>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/metalloiden\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">metallo\u00efden<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het is een groep chemische elementen die tussen metalen en niet-metalen voorkomen, dat wil zeggen dat ze zich in sommige gevallen gedragen als metalen en in andere gevallen als niet-metalen. <\/font><font style=\"vertical-align: inherit;\">Deze kunnen enigszins ductiel, ondoorzichtig of glanzend zijn. <\/font><font style=\"vertical-align: inherit;\">Hun capaciteit als elektrische geleiders is lager dan die van metalen, maar hoger dan die van niet-metalen. <\/font><font style=\"vertical-align: inherit;\">Dit zijn voldoende reactieve elementen.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Onder hen zijn:<\/font><\/font><\/p>\r\n<ol>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/boor\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Borium (B)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/silicium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Silicium (Ja)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/germanium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Germanium (Ge)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/arseen\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Arseen (Ar)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/antimoon\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Antimoon (zo)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/tellurium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Tellurium (Te)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/polonium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Polonium (Po)<\/font><\/font><\/a><\/li>\r\n<\/ol>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/lanthaniden\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">lanthaniden<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lanthaniden behoren tot periode 6 en worden ook wel \u201czeldzame aardmetalen\u201d genoemd, dit dankzij het feit dat ze verkregen worden in de vorm van oxiden. <\/font><font style=\"vertical-align: inherit;\">Samen met de actiniden vormen deze elementen wat wij \u2018interne overgangselementen\u2019 noemen.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Deze groep bestaat in totaal uit 15 elementen en bevindt zich onderaan de tabel, onder de rest van de elementen. <\/font><font style=\"vertical-align: inherit;\">Ze zijn als volgt:<\/font><\/font><\/p>\r\n<ol>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/lanthaan\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lanthaan (de)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/cerium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">cerium (Ce)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/neodymium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Neodymium (Nd)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/beloofd\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Promethium (Pm)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/praseodymium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Praseodymium (Pr)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/europium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Europa (EU)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/gadolinium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Gadolinium (Gd)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/samarium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Samarium (Sm)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/dysprosium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Dysprosium (Dy)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/erbium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Erbium (Er)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/holmium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Holmium (Ho)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/terbium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Terbium (Tb)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/ytterbium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ytterbium (Yb)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/lutetium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Lutetium (Lu)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/thulium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Thulium (Tm)<\/font><\/font><\/a><\/li>\r\n<\/ol>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/actiniden\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">actiniden<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Deze elementen bevinden zich in periode 7 en hebben een hoog atoomnummer. <\/font><font style=\"vertical-align: inherit;\">Bovendien zijn alle isotopen waaruit ze bestaan &ZeroWidthSpace;&ZeroWidthSpace;radioactief. <\/font><font style=\"vertical-align: inherit;\">Sommigen van hen worden in sporenhoeveelheden in de natuur aangetroffen, zoals uranium.\r\n<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Net als de lanthaniden bevindt deze groep zich onderaan de tabel, meer bepaald in blok F, en bestaat uit 15 elementen:<\/font><\/font><\/p>\r\n<ol>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/actinium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Actinium (Ac)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/uranium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Uranium (U)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/thorium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Thorium (Do)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/neptunium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Neptunium (Np)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/protactinium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Protactinium (Pa)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/amerika\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Amerika (Am)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/plutonium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Plutonium (Pu)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/curium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Curies (cm)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/berkelium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Berkelium (Bk)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/einsteinium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Einsteinium (het)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/fermium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Fermium (Fm)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/californisch\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Californium (Cf)<\/font><\/font><\/a><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Nobelium (Nee)<\/font><\/font><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/laurent\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Laurentius (Lr)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/mendelevium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Mendelevium (Md)<\/font><\/font><\/a><\/li>\r\n<\/ol>\r\n<h2> <strong><a href=\"https:\/\/chemuza.org\/nl\/geen-metalen\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Geen metalen<\/font><\/font><\/a><\/strong> <\/h2>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Niet-metalen bevatten heel andere eigenschappen dan metalen; <\/font><font style=\"vertical-align: inherit;\">in feite zijn ze geen goede geleiders van warmte en elektriciteit, noch zijn ze glanzend en glanzend. <\/font><font style=\"vertical-align: inherit;\">Ze hebben lagere smeltpunten dan metalen. <\/font><font style=\"vertical-align: inherit;\">De classificatie hiervan is in halogenen en edelgassen. <\/font><font style=\"vertical-align: inherit;\">Verder moet worden opgemerkt dat deze elementen vloeibaar, vast of gasvormig kunnen zijn.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">De volgende elementen vallen in deze groep:<\/font><\/font><\/p>\r\n<ol>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/waterstof\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Waterstof (H)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/zwavel\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zwavel (S)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/stikstof\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Stikstof (N)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/zuurstof\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Zuurstof (O)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/overeenkomst\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Fosfor (P)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/koolstof\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Koolstof (C)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/selenium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Seleen (Se)<\/font><\/font><\/a><\/li>\r\n<\/ol>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/halogenen\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">halogenen<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het woord \u201chalogeen\u201d betekent \u201cwat de oorsprong is van zout\u201d, gecombineerd met metalen kan het halogeniden of halogeniden vormen en met niet-metalen vormen ze complexe ionen. <\/font><font style=\"vertical-align: inherit;\">Ze bevinden zich in groep 17 en aan de rechterkant van het periodiek systeem.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ze zijn zeer reactief vanwege hun hoge elektronegativiteit. <\/font><font style=\"vertical-align: inherit;\">Fluoride is bijvoorbeeld het meest reactief, het is een zeer corrosief en giftig gas.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Halogenen omvatten:<\/font><\/font><\/p>\r\n<ol>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/fluor\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Fluor (F)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/broom\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Broom (Br)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/chloor\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Chloor (Cl)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/een-status\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Status (Op)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/jodium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Jodium (ik)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/gespannen\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">tenesis (Ts)<\/font><\/font><\/a><\/li>\r\n<\/ol>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/edelgassen\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">edelgassen<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het zijn kleurloze en geurloze mono-atomaire gassen en hebben een vrij lage chemische reactiviteit. <\/font><font style=\"vertical-align: inherit;\">De eigenschappen ervan worden verklaard door theorie\u00ebn over de atomaire structuur: de elektronische schil van zijn valente elektronen wordt als compleet beschouwd.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Ze bevinden zich in groep 18 van het periodiek systeem en zijn samengesteld uit 7 gassen:<\/font><\/font><\/p>\r\n<ol>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/helium\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Helium (hij)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/argon\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Argon (Ar)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/krypton\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Krypton (KR)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/neon\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Neon (Ne)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/radon\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Radon (Rn)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/xenon\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Xenon (Xe)<\/font><\/font><\/a><\/li>\r\n    <li> <a href=\"https:\/\/chemuza.org\/nl\/oganeson\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Oganeson (Og)<\/font><\/font><\/a><\/li>\r\n<\/ol>\r\n<h2> <strong><a href=\"https:\/\/chemuza.org\/nl\/staat\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Staat<\/font><\/font><\/a><\/strong><\/h2>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Dit zijn de verschillende vormen van aggregatie waarin materie zich kan voordoen in omgevingsomstandigheden die verband houden met de kracht van vereniging of aantrekking van de deeltjes (atomen, ionen of moleculen) waaruit ze bestaat.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Staten hebben kenmerken en eigenschappen die hen onderscheiden. <\/font><font style=\"vertical-align: inherit;\">De bekendste en meest geaccepteerde zijn: de vloeibare, gasvormige en vaste toestand. <\/font><font style=\"vertical-align: inherit;\">Er zijn echter ook andere toestanden die van nature niet in het milieu voorkomen.<\/font><\/font><\/p>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/gassen\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">gassen<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Deze elementen hebben geen vaste vorm of volume. <\/font><font style=\"vertical-align: inherit;\">In gassen zijn hun deeltjes behoorlijk gescheiden en omdat ze geen vaste positie hebben, zijn de cohesiekrachten die ze verenigen erg zwak. <\/font><font style=\"vertical-align: inherit;\">De deeltjes bewegen wanordelijk, dus er zijn veel botsingen tussen hen. <\/font><font style=\"vertical-align: inherit;\">Ze passen zich aan het volume en de vorm aan van de container waarin ze zich bevinden.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Gassen weerspiegelen twee eigenschappen: Uitbreidbaarheid, de neiging die ze hebben om hun volume te vergroten als gevolg van de afstotende kracht van hun moleculen. <\/font><font style=\"vertical-align: inherit;\">Samendrukbaarheid is het vermogen van deze gassen om hun volume te verkleinen wanneer er druk wordt uitgeoefend door een kracht.<\/font><\/font><\/p>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/vloeistoffen\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">vloeistoffen<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Deeltjes in vloeistoffen worden bij elkaar gehouden door een iets zwakkere cohesiekracht dan in vaste stoffen. <\/font><font style=\"vertical-align: inherit;\">Net als deze is het volume echter constant.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Omdat hun posities niet vastliggen, kunnen ze vrij circuleren en bewegen. <\/font><font style=\"vertical-align: inherit;\">Vloeistoffen hebben geen gedefinieerde vorm, dus nemen ze de vorm aan van de container waarin ze zich bevinden.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Een van de eigenschappen ervan is vloeibaarheid, oftewel het vermogen om te bewegen. <\/font><font style=\"vertical-align: inherit;\">Viscositeit is te wijten aan de interacties tussen de deeltjes die de vloeibaarheid ervan beperken.<\/font><\/font><\/p>\r\n<h3> <strong><a href=\"https:\/\/chemuza.org\/nl\/stevig\/\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">stevig<\/font><\/font><\/a><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Vaste elementen worden gekenmerkt door een constant volume en een constante vorm, omdat hun deeltjes zeer verenigd zijn en zich in vaste posities bevinden vanwege een zeer sterke cohesiekracht.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">De mobiliteit van deze elementen is zeer laag, wat betekent dat ze niet kunnen vloeien of samendrukken. <\/font><font style=\"vertical-align: inherit;\">De deeltjes zijn op een ordelijke manier gerangschikt, waardoor er kristalroosters tussen ontstaan.<\/font><\/font><\/p>\r\n<h3> <strong><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">onbekend<\/font><\/font><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Er zijn andere staten, sommige wat bekender dan andere. <\/font><font style=\"vertical-align: inherit;\">Bijvoorbeeld de Plasmatic, die het meest verspreid is in het universum: stralen, de zon, het noorderlicht, nevels.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">De Bose-Einstein gecondenseerde toestand, die zo wordt genoemd dankzij het proces van condensatie van gassen bij temperaturen die zeer dicht bij het absolute nulpunt liggen en die een soort kwantumspin hebben; <\/font><font style=\"vertical-align: inherit;\">in het Spaans, Spin, wat verwijst naar de rotatie van deeltjes daartussen.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Fermi-condensaat is een fase waarin de elementen een grote vloeibaarheid verkrijgen en bij zeer lage temperaturen ontstaan.<\/font><\/font><\/p>\r\n<h2> <strong><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">groepen<\/font><\/font><\/strong><\/h2>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Dit zijn de verticale kolommen van chemische elementen waaruit het periodiek systeem bestaat. <\/font><font style=\"vertical-align: inherit;\">Deze groepen omvatten elementen met vergelijkbare atomaire kenmerken, dat wil zeggen dat ze hetzelfde aantal elektronen in hun laatste atomaire schil hebben.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Uit hoeveel groepen bestaat het periodiek systeem? <\/font><font style=\"vertical-align: inherit;\">Er zijn 18 groepen, genummerd van 1 tot en met 18, en als volgt verdeeld:\r\n<\/font><\/font><\/p>\r\n<ol>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 1: Alkalimetalen<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 2: Aardalkalimetalen<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 3: Scandium-familie<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 4: Titaniumfamilie<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 5: vanadiumfamilie<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 6: Chroomfamilie<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 7: Magnesiumfamilie<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 8: IJzerfamilie<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 9: Kobaltfamilie<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 10: Nikkelfamilie<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 11: Koperfamilie<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 12: Zinkfamilie<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 13: Aards<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 14: Carbono\u00efden<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 15: Stikstoffen<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 16: Antigenen<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 17: Halogenen<\/font><\/font><\/li>\r\n    <li><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Groep 18: Edelgassen<\/font><\/font><\/li>\r\n<\/ol>\r\n<h2> <strong><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">periodes<\/font><\/font><\/strong><\/h2>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Dit zijn de 7 rijen of horizontale lijnen waaruit het periodiek systeem bestaat. <\/font><font style=\"vertical-align: inherit;\">Dit zijn de elementen waarvan het aantal elektronenschillen samenvalt met het periodenummer. <\/font><font style=\"vertical-align: inherit;\">IJzer heeft bijvoorbeeld 4 elektronenschillen, dus het bevindt zich in periode 4.<\/font><\/font><\/p>\r\n<h2> <strong><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Geschiedenis van het periodiek systeem<\/font><\/font><\/strong> <\/h2>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">De geschiedenis van het periodiek systeem gaat terug tot de 19e eeuw, toen scheikundigen uit die tijd beseften dat materie veel complexer was dan ze dachten en dat de gevonden nieuwe elementen geordend moesten worden.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">De eerste classificatie werd gemaakt in relatie tot het atomaire massagetal, maar de overeenkomsten en verschillen tussen de verschillende elementen worden niet benadrukt. <\/font><font style=\"vertical-align: inherit;\">In 1817 benadrukte de scheikundige D\u00f6bereiner de overeenkomsten tussen de elementen door ze in trio's te groeperen, bijvoorbeeld de triade van chloor, jodium en broom. <\/font><font style=\"vertical-align: inherit;\">In 1850 konden we al rekenen op een twintigtal drieklanken.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">In 1862 stelden de wetenschappers Chancourtois en Newlands de wet van de octaven voor, dat wil zeggen dat eigenschappen elke acht elementen worden herhaald. <\/font><font style=\"vertical-align: inherit;\">Met deze vooruitgang begint het skelet, om zo te zeggen, van het periodiek systeem vorm te krijgen.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">In 1869 ontdekte de Duitse scheikundige Meyer periodiciteit weerspiegeld in het atomaire volume. <\/font><font style=\"vertical-align: inherit;\">Hierin hebben vergelijkbare elementen ook een vergelijkbaar atoomvolume. <\/font><font style=\"vertical-align: inherit;\">Andere bijdragen ontbraken echter nog.\r\n<\/font><\/font><\/p>\r\n<h3> <strong><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Wie heeft het periodiek systeem gemaakt?<\/font><\/font><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het was de Russische chemicus Dmitri Mendelejev die de eerste versie van het periodiek systeem presenteerde. <\/font><font style=\"vertical-align: inherit;\">Hij classificeert de tot nu toe bekende elementen (63 elementen) in toenemende mate volgens het aantal van hun atoommassa's.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Hij plaatste in dezelfde kolom de elementen waarin er gelijkenis was in hun fysieke eigenschappen. <\/font><font style=\"vertical-align: inherit;\">Bovendien liet hij lege ruimtes achter omdat hij ervan overtuigd was dat er nieuwe elementen naar voren zouden komen die deze plekken zouden innemen. <\/font><font style=\"vertical-align: inherit;\">Natuurlijk had hij geen ongelijk.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Het huidige periodiek systeem is gebaseerd op deze tabel van Mendelejev. <\/font><font style=\"vertical-align: inherit;\">Dankzij de technologie kunnen we tegenwoordig online toepassingen hebben, waarbij de afbeeldingen van het periodiek systeem op een didactische en interactieve manier worden gepresenteerd. <\/font><font style=\"vertical-align: inherit;\">Met slechts \u00e9\u00e9n klik op elk van de elementen kunnen we er alles over leren.\r\n<\/font><\/font><\/p>\r\n<h3> <strong><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Wanneer werd het periodiek systeem gecre\u00eberd?<\/font><\/font><\/strong><\/h3>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">In 1869 publiceerde de Russische scheikundige Dmitri Mendelejev zijn eerste periodiek systeem, waarin hij 63 elementen groepeerde op basis van het toenemende aantal van hun atomaire massa.<\/font><\/font><\/p>\r\n<p><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">In 1913 kon de Engelse chemicus Henry Moseley dankzij onderzoeken uitgevoerd met r\u00f6ntgenstralen het atoomnummer van de elementen bepalen. <\/font><font style=\"vertical-align: inherit;\">Dit is hoe hij deze elementen rangschikte, waarbij hij steeds meer rekening hield met dit atoomnummer, waardoor de tabel ontstond die we vandaag de dag kennen.<\/font><\/font><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1431","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Periodiek systeem - Chemuza<\/title>\n<meta name=\"description\" content=\"Bij Chemuza hebben we een passie voor het bevorderen van een diep begrip en waardering voor de fascinerende wereld van de chemie.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chemuza.org\/nl\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Periodiek 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