{"id":1517,"date":"2023-07-13T20:13:19","date_gmt":"2023-07-13T20:13:19","guid":{"rendered":"https:\/\/chemuza.org\/tr\/fransiyum\/"},"modified":"2023-07-13T20:13:19","modified_gmt":"2023-07-13T20:13:19","slug":"fransiyum","status":"publish","type":"page","link":"https:\/\/chemuza.org\/tr\/fransiyum\/","title":{"rendered":"Fransiyum"},"content":{"rendered":"<p>Fransiyumun do\u011fada ke\u015ffedilen son element oldu\u011funu biliyor muydunuz? Ayr\u0131ca yerkabu\u011funda en az bulunan ikinci kimyasal elementtir. \u00d6te yandan, en d\u00fc\u015f\u00fck elektronegatifli\u011fi i\u00e7erir. Bu kimyasal bile\u015fik ve bunun insanlara olan faydas\u0131 hakk\u0131nda daha fazla bilgi edinin.<\/p>\n<h2> <strong>Fransiyum nedir?<\/strong><\/h2>\n<p> Fransiyum kimyasal elementi, periyodik tablonun yedinci s\u0131ras\u0131nda veya periyodunda ve <em>s<\/em> grubunda yer alan alkalin grubunun bir par\u00e7as\u0131 olan bir metaldir. Y\u00fcksek radyoaktivite ve kimyasal reaktiviteye sahiptir. Dahas\u0131, a\u015f\u0131r\u0131 karars\u0131zl\u0131\u011fa sahiptir, de\u011ferlik kabu\u011funda yaln\u0131zca bir elektron vard\u0131r, en y\u00fcksek e\u015fde\u011fer k\u00fctleye ve en d\u00fc\u015f\u00fck elektronegatifli\u011fe sahiptir.<\/p>\n<h3> <strong>Fransiyum sembol\u00fc<\/strong><\/h3>\n<p> Kimyasal elementin <span class=\"content-chemical-element\" style=\"float: left;width: 65px;height: 65px;border: 3px solid #666; display:flex;\n    justify-content: center;align-items: center;margin-right: 15px;\"><span style=\"font-size: 38px;\">k\u0131saltmas\u0131<\/span><\/span> yani Francium&#8217;un sembol\u00fc Latince <em>Francium<\/em> kelimesinden gelmektedir. Ad\u0131n\u0131 ke\u015ffedildi\u011fi \u00fclke olan Fransa&#8217;dan alm\u0131\u015ft\u0131r. Ancak ba\u015flang\u0131\u00e7ta onu ke\u015ffeden ki\u015fi onu <em>aktinyum K<\/em> ve <em>Catio<\/em> olarak adland\u0131rm\u0131\u015ft\u0131. Ek olarak, daha \u00f6nce <em>eka-cesium<\/em> , <em>Moldavian<\/em> veya <em>Virginian<\/em> olarak da biliniyordu. Ayn\u0131 \u015fekilde Kanunun sembolojisi de belirlenmi\u015f ancak daha sonra bu semboloji yerini mevcut sembolojiye b\u0131rakm\u0131\u015ft\u0131r.<\/p>\n<h2> <strong>Fransiyumun \u00d6zellikleri<\/strong><\/h2>\n<p> Fransiyumun \u00f6zellikleri aras\u0131nda 136 n\u00f6tron, 87 proton ve 87 elektrondan olu\u015fan atomik bir bile\u015fim buluyoruz. \u00d6te yandan, ba\u015fka bir metal olmadan, tungstik silisik asit, perklorik asit ve \u00e7oklu sezyum tuzlar\u0131 ile etkile\u015fime girerek birlikte \u00e7\u00f6keltmeyi ger\u00e7ekle\u015ftirir. \u00d6\u011fenin di\u011fer \u00f6zellikleri hakk\u0131nda bilgi edinin:<\/p>\n<ul>\n<li> <strong>Kimyasal Reaktivite<\/strong> : Reaktivitesi \u00e7ok y\u00fcksektir.<\/li>\n<li> <strong>Erime ve Kaynama<\/strong> : 27\u00b0C&#8217;de kat\u0131 durumdan s\u0131v\u0131 duruma, 667\u00b0C s\u0131cakl\u0131kta ise s\u0131v\u0131 durumdan gaz durumuna ge\u00e7er.<\/li>\n<li> <strong>Radyoaktivite<\/strong> : Sulu bir cisim varl\u0131\u011f\u0131nda tehlikeli ve \u015fiddetli patlamalar olu\u015fturabilecek kadar y\u00fcksek bir radyoaktif seviyeye sahiptir.<\/li>\n<li> <strong>Durumu<\/strong> : Normal hali oda s\u0131cakl\u0131\u011f\u0131nda s\u0131v\u0131d\u0131r.<\/li>\n<li> <strong>\u00c7\u00f6z\u00fcn\u00fcrl\u00fck<\/strong> : Tuzlar\u0131n\u0131n \u00e7o\u011fu suda \u00e7\u00f6z\u00fcn\u00fcr.<\/li>\n<li> <strong>De\u011fi\u015fiklikler<\/strong> : \u00c7\u00fcr\u00fcme sonras\u0131nda bu element Yar\u0131\u00e7ap, Astatin ve Radon \u00fcretir.<\/li>\n<li> <strong>Manyetik d\u00fczen<\/strong> : Paramanyetik bir metaldir.<\/li>\n<li> <strong>Karars\u0131zl\u0131k<\/strong> : Yaln\u0131zca yakla\u015f\u0131k 21 dakikal\u0131k \u00f6mr\u00fc olan radyoaktif formlarda bulunur.<\/li>\n<li> <strong>Kristal yap\u0131<\/strong> : Merkezi k\u00fcbik bir g\u00f6vdedir.<\/li>\n<li> <strong>\u0130zotoplar<\/strong> : 32&#8217;si sentetik ve t\u00fcm\u00fc bozunma olmak \u00fczere 34 izotop bilinmektedir. <sup>223<\/sup> Fr ve <sup>221<\/sup> Fr do\u011fada bulunmaktad\u0131r.<\/li>\n<\/ul>\n<h2> <strong>Fransiyumun kimyasal ve fiziksel \u00f6zellikleri<\/strong><\/h2>\n<ol>\n<li> <strong>Atom numaras\u0131<\/strong> : 87<\/li>\n<li> <strong>Oksit<\/strong> : Kuvvetli baz<\/li>\n<li> <strong>Oksidasyon durumlar\u0131<\/strong> : +1<\/li>\n<li> <strong>Yo\u011funluk (g\/ml)<\/strong> : 1870 kg\/ <sup>m3<\/sup><\/li>\n<li> <strong>Kovalent yar\u0131\u00e7ap (\u00c5)<\/strong> : 260 pm<\/li>\n<li> <strong>\u00d6zg\u00fcl \u0131s\u0131<\/strong> : Yok<\/li>\n<li> <strong>Atom k\u00fctlesi (g\/mol)<\/strong> : 223 u<\/li>\n<li> <strong>Erime noktas\u0131<\/strong> : 27\u00b0C (300K)<\/li>\n<li> <strong>Elektronik konfig\u00fcrasyon<\/strong> : [Rn]7s <sup>1<\/sup><\/li>\n<li> <strong>Seviye ba\u015f\u0131na elektronlar<\/strong> : 2, 8, 18, 32, 18, 8, 1<\/li>\n<li> <strong>Buharla\u015fma entalpisi<\/strong> : 65 kJ\/mol<\/li>\n<li> <strong>Birinci iyonla\u015fma potansiyeli (eV)<\/strong> : 380 kJ\/mol<\/li>\n<li> <strong>Atom yar\u0131\u00e7ap\u0131 (\u00c5)<\/strong> : 270 pm (Bohr yar\u0131\u00e7ap\u0131)<\/li>\n<li> <strong>Kaynama noktas\u0131<\/strong> : 677\u00b0C (950K)<\/li>\n<li> <strong>F\u00fczyon entalpisi<\/strong> : 2 kJ\/mol<\/li>\n<li> <strong>Ses h\u0131z\u0131<\/strong> : Yok<\/li>\n<li> <strong>Elektronegatiflik<\/strong> : 0,7 (Pauling \u00f6l\u00e7e\u011fi)<\/li>\n<\/ol>\n<h2> <strong>Fransiyumun k\u00f6keni<\/strong><\/h2>\n<p> Fransiyumu kimin ke\u015ffetti\u011fini merak ediyorsan\u0131z, 1939&#8217;da Frans\u0131z kad\u0131n Marguerite Perey&#8217;di. Ancak 1870&#8217;e gelindi\u011finde bir\u00e7ok kimyac\u0131, Sezyum&#8217;dan \u00f6nce bir alkali metalin varl\u0131\u011f\u0131ndan \u015f\u00fcpheleniyordu. Ayr\u0131ca s\u00f6zde elemente <em>eka-sezyum<\/em> ad\u0131 ve atom numaras\u0131 87 verildi. Daha sonra, 1870 ile 1937 y\u0131llar\u0131 aras\u0131nda onu ke\u015ffetmek ve izole etmek i\u00e7in bir\u00e7ok giri\u015fimde bulunuldu, ancak sonu\u00e7 ba\u015far\u0131s\u0131z oldu. eksik veya hatal\u0131 oldu\u011fu tespit edilmi\u015ftir.<\/p>\n<p> Frans\u0131z fizik\u00e7i Perey, aktinyum-227 \u00f6rne\u011findeki bozunma enerjisinde bir uyumsuzluk g\u00f6zlemleyene kadar bu m\u00fcmk\u00fcn de\u011fildi. Olas\u0131 de\u011fi\u015fim kaynaklar\u0131n\u0131 d\u0131\u015flayan ve bunun yeni alkali metal olan <em>eka-sezyum<\/em> oldu\u011fu sonucuna varan oydu. Ancak kimyagerler Horia Hulubei ve Yvette Cauchois ke\u015ffini garantiledi\u011finden bilim camias\u0131na bu ba\u015far\u0131n\u0131n kendisine ait oldu\u011funu kan\u0131tlamas\u0131 gerekiyordu. Ancak Marguerite Perey, ke\u015ffedici unvan\u0131n\u0131 ald\u0131 ve elemente bir isim verdi.<\/p>\n<h2> <strong>Fransiyum ne i\u00e7in kullan\u0131l\u0131r?<\/strong><\/h2>\n<p> Fransiyumun do\u011fada \u00e7ok nadir bulunmas\u0131 ve n\u00fckleer karars\u0131zl\u0131\u011f\u0131n\u0131n y\u00fcksek olmas\u0131 nedeniyle ticari bir kullan\u0131m\u0131 yoktur. Ancak bilimsel alanda kimya, biyoloji veya atom yap\u0131s\u0131 gibi ara\u015ft\u0131rma \u00e7al\u0131\u015fmalar\u0131 i\u00e7in kullan\u0131l\u0131r.<\/p>\n<p> Fransiyum elementini sentezleme, yakalama ve so\u011futma yetene\u011fi, onu \u00f6zel spektroskopi deneylerinin kahraman\u0131 haline getiriyor. Bu, atom alt\u0131 par\u00e7ac\u0131klar aras\u0131ndaki ba\u011flant\u0131 sabitlerinin yan\u0131 s\u0131ra enerji seviyelerinin daha iyi anla\u015f\u0131lmas\u0131na yol a\u00e7ar.<\/p>\n<p> \u00d6te yandan <sup>210<\/sup> Fr iyonunun yayd\u0131\u011f\u0131 \u0131\u015f\u0131k \u00fczerine yap\u0131lan \u00e7al\u0131\u015fmalar atomik enerji seviyeleri aras\u0131ndaki ge\u00e7i\u015flerin spesifik sonu\u00e7lar\u0131n\u0131 g\u00f6stermektedir. Ayr\u0131ca bu deneylerden elde edilen verilerin kuantum teorisinin \u00f6ng\u00f6rd\u00fc\u011f\u00fc verilerle benzer oldu\u011fu da do\u011fruland\u0131.<\/p>\n<p> \u00d6zetle Fransiyum alkali bir metaldir, s\u00fcper radyoaktiftir ve karars\u0131zd\u0131r. Ayr\u0131ca di\u011fer kimyasal elementler aras\u0131nda en b\u00fcy\u00fck a\u011f\u0131rl\u0131\u011fa veya e\u015fde\u011fer k\u00fctleye sahiptir. \u00d6te yandan elektronegatifli\u011fi en d\u00fc\u015f\u00fck olan\u0131d\u0131r ve ticari uygulamas\u0131 yoktur ancak bilimsel \u00e7al\u0131\u015fmalar i\u00e7in kullan\u0131l\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fransiyumun do\u011fada ke\u015ffedilen son element oldu\u011funu biliyor muydunuz? Ayr\u0131ca yerkabu\u011funda en az bulunan ikinci kimyasal elementtir. \u00d6te yandan, en d\u00fc\u015f\u00fck elektronegatifli\u011fi i\u00e7erir. Bu kimyasal bile\u015fik ve bunun insanlara olan faydas\u0131 hakk\u0131nda daha fazla bilgi edinin. Fransiyum nedir? Fransiyum kimyasal elementi, periyodik tablonun yedinci s\u0131ras\u0131nda veya periyodunda ve s grubunda yer alan alkalin grubunun bir par\u00e7as\u0131 &#8230; <a title=\"Fransiyum\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/fransiyum\/\" aria-label=\"More on Fransiyum\">Devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fransiyum - Chemuza<\/title>\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\/tr\/fransiyum\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fransiyum - Chemuza\" \/>\n<meta property=\"og:description\" content=\"Fransiyumun do\u011fada ke\u015ffedilen son element oldu\u011funu biliyor muydunuz? 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