{"id":1529,"date":"2023-07-13T14:37:58","date_gmt":"2023-07-13T14:37:58","guid":{"rendered":"https:\/\/chemuza.org\/tr\/laurent\/"},"modified":"2023-07-13T14:37:58","modified_gmt":"2023-07-13T14:37:58","slug":"laurent","status":"publish","type":"page","link":"https:\/\/chemuza.org\/tr\/laurent\/","title":{"rendered":"Laurence"},"content":{"rendered":"<p>Laurentium, yer kabu\u011funda bulunmayan sentetik bir elementtir ve karars\u0131zd\u0131r, dolay\u0131s\u0131yla di\u011fer bile\u015fiklerin varl\u0131\u011f\u0131nda bozunur. Y\u00fcksek radyoaktivitesi ile dikkat \u00e7ekiyor, bu y\u00fczden g\u00fcnl\u00fck ya\u015famda \u00e7ok az uygulamas\u0131 var. Ayr\u0131ca sa\u011fl\u0131\u011fa etkileri kesin olarak bilinmemektedir. Yine de onun \u00f6zelliklerini, karakteristiklerini ve onu elde etme yollar\u0131n\u0131 anlatarak daha fazlas\u0131n\u0131 \u00f6\u011frenebiliriz.<\/p>\n<h2> <strong>Laurencio nedir?<\/strong><\/h2>\n<p> Radyoaktif bir kimyasal element olarak periyodik tablonun aktinit grubuna aittir. Sentetiktir, yani \u00e7evrede do\u011fal olarak bulunmaz. Ayr\u0131ca metalik bir g\u00f6r\u00fcn\u00fcme sahip olup kendi grubunun en a\u011f\u0131r olan\u0131d\u0131r. 11 saatte par\u00e7alanan 266Lr hari\u00e7, tamam\u0131 radyoaktif, ortamda 3 dakikadan k\u0131sa s\u00fcrede par\u00e7alanan 10 izotoptan olu\u015fuyor.<\/p>\n<h3> <strong>Laurentius sembol\u00fc<\/strong><\/h3>\n<p> <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;\">Lr<\/span><\/span> Kaliforniya \u00dcniversitesi Lawrence Radyasyon Laboratuvar\u0131nda ke\u015ffedildi\u011fi i\u00e7in bu ad\u0131 alm\u0131\u015ft\u0131r. Ba\u015flang\u0131\u00e7ta Lw sembol\u00fc verildi, ancak 1997&#8217;de Uluslararas\u0131 Kimya Birli\u011fi Laurencio ad\u0131n\u0131 Lr sembol\u00fcyle onaylad\u0131.<\/p>\n<h2> <strong>Laurencio&#8217;nun \u00f6zellikleri<\/strong><\/h2>\n<p> Laurentium elementi periyodik tablonun 3. grup, D blo\u011funda bulunur. Atom numaras\u0131 103 ile imzalanm\u0131\u015f olup Lutesyum&#8217;a benzer radyoaktif davran\u0131\u015f sergiler. Ge\u00e7i\u015f metalik \u00f6zelliklerine sahiptir ve atomik bile\u015fimi g\u00f6z \u00f6n\u00fcne al\u0131nd\u0131\u011f\u0131nda \u00e7ok a\u011f\u0131rd\u0131r. Bu sayede atomu iyona d\u00f6n\u00fc\u015ft\u00fcrebilen, elektronlar\u0131n\u0131n kolayca \u00e7\u0131kar\u0131lmas\u0131n\u0131 sa\u011flayan tek elementtir. Di\u011fer \u00f6zellikler \u015funlard\u0131r:<\/p>\n<ul>\n<li> <strong>Hal<\/strong> : Kat\u0131 olmas\u0131na ra\u011fmen s\u0131v\u0131 ve gaz faz\u0131na ge\u00e7ebilir.<\/li>\n<li> <strong>Renk<\/strong> : Grimsi beyaz, g\u00fcm\u00fc\u015f tonlar\u0131nda.<\/li>\n<li> <strong>Tat ve koku<\/strong> : Kokusuzdur ve tad\u0131yla ilgili bir referans yoktur.<\/li>\n<li> <strong>Bile\u015fimi:<\/strong> 103 proton ve elektron ile 157 n\u00f6trondan olu\u015fur.<\/li>\n<li> <strong>Reaktivite:<\/strong> Y\u00fcksek, havada ve suda kolayca par\u00e7alan\u0131r.<\/li>\n<li> <strong>Radyoaktivite<\/strong> : Y\u00fcksek, bu y\u00fczden sadece n\u00fckleer kullan\u0131mlar\u0131 var.<\/li>\n<li> <strong>\u00c7\u00f6z\u00fcn\u00fcrl\u00fck<\/strong> : Suda ve di\u011fer bile\u015fiklerde \u00e7\u00f6z\u00fcn\u00fcr.<\/li>\n<li> <strong>Sertlik<\/strong> : Sert ve dayan\u0131kl\u0131d\u0131r.<\/li>\n<li> <strong>\u0130letkenlik<\/strong> : Orta.<\/li>\n<\/ul>\n<h2> <strong>Laurentium&#8217;un kimyasal ve fiziksel \u00f6zellikleri<\/strong><\/h2>\n<ol>\n<li> <strong>Atom numaras\u0131<\/strong> : 103<\/li>\n<li> <strong>D\u00f6nem<\/strong> : 7<\/li>\n<li> <strong>Engelle<\/strong> \ud83d\ude00<\/li>\n<li> <strong>Grup<\/strong> : 3<\/li>\n<li> <strong>Oksidasyon durumu<\/strong> : 3<\/li>\n<li> <strong>Elektronegatiflik:<\/strong> 1.3<\/li>\n<li> <strong>Yo\u011funluk: 293K<\/strong><\/li>\n<li> <strong>Erime noktas\u0131:<\/strong> 1627\u00b0C<\/li>\n<li> <strong>Atom yar\u0131\u00e7ap\u0131:<\/strong> Bilinmiyor<\/li>\n<li> <strong>Ortalama yar\u0131\u00e7ap:<\/strong> bilinmiyor<\/li>\n<li> <strong>Atom k\u00fctlesi (g\/mol):<\/strong> 262 u<\/li>\n<li> <strong>Elektronik konfig\u00fcrasyon:<\/strong> [Rn]5f14 7s27 p1<\/li>\n<li> <strong>Birinci iyonla\u015fma potansiyeli<\/strong> (eV): 443,8 kJ\/mol<\/li>\n<li> <strong>Kaynama noktas\u0131:<\/strong> Hesaplanmad\u0131<strong> <\/strong><\/li>\n<li><strong>Kabuk ba\u015f\u0131na elektron say\u0131s\u0131:<\/strong> 2,8,18,32, 32, 8, 3<\/li>\n<li> <strong>Is\u0131 iletkenli\u011fi:<\/strong> 0,1 W\/cmK<\/li>\n<\/ol>\n<h2> <strong>Laurencio&#8217;nun k\u00f6keni<\/strong><\/h2>\n<p> 1961 y\u0131l\u0131nda Kaliforniya&#8217;daki Lawrence Radyasyon Laboratuvar\u0131&#8217;nda Albert Ghiorso taraf\u0131ndan ke\u015ffedildi. Bu bilim adam\u0131 ve meslekta\u015flar\u0131, elementin izotoplar\u0131n\u0131 elde etmek i\u00e7in Kaliforniyum izotoplar\u0131n\u0131n bor iyonlar\u0131yla birle\u015fimini bombalad\u0131lar. Sonu\u00e7, 103 elektron ve protondan olu\u015fan bir \u00e7ekirde\u011fe sahip, Lr 256 elementinin bir atomuydu. Ek olarak bu \u00e7al\u0131\u015fmalar, \u00fc\u00e7 dakika i\u00e7inde ayr\u0131\u015ft\u0131klar\u0131 i\u00e7in neredeyse t\u00fcm izotoplar\u0131n \u00f6mr\u00fcn\u00fcn k\u0131sa oldu\u011funu do\u011frulad\u0131.<\/p>\n<h2> <strong>Laurencio ne i\u015fe yarar?<\/strong><\/h2>\n<p> Laurentium&#8217;un kullan\u0131m\u0131 s\u0131n\u0131rl\u0131d\u0131r \u00e7\u00fcnk\u00fc radyoaktif bir elementtir ve nadiren do\u011fal olarak olu\u015fur. Mevcut az say\u0131daki \u00f6rnek, uzmanla\u015fm\u0131\u015f n\u00fckleer ara\u015ft\u0131rma laboratuvarlar\u0131nda i\u015flenmektedir. \u0130zotop 266 alfa radyasyonu yayd\u0131\u011f\u0131 i\u00e7in enerji \u00fcretimi ile ilgili bilimsel \u00e7al\u0131\u015fmalarda kullan\u0131lmaktad\u0131r.<\/p>\n<h2> <strong>Laurencio&#8217;yu edinmek<\/strong><\/h2>\n<p> Laurentium kimyasal elementi yaln\u0131zca yapay olarak elde edilir ve yaln\u0131zca minimum miktarlarda \u00fcretilir. S\u00fcre\u00e7, bor iyonlar\u0131 ve do\u011frusal bir h\u0131zland\u0131r\u0131c\u0131 kullan\u0131larak Kaliforniyum izotoplar\u0131n\u0131n bombalanmas\u0131ndan olu\u015fur. Prosed\u00fcr s\u0131ras\u0131nda, elementin baz\u0131 k\u0131s\u0131mlar\u0131 izole edilir, hepsi radyoaktif ve karars\u0131zd\u0131r ve h\u0131zla bozunur.<\/p>\n<h2> <strong>Laurentium ve periyodik tablodaki konumu<\/strong><\/h2>\n<p> Periyodik tablonun \u00fc\u00e7\u00fcnc\u00fc grubu yaln\u0131zca 4 elementten olu\u015fmal\u0131d\u0131r; Skandiyum, \u0130triyum, Lantan ve Lutesyum. Laurentium&#8217;un dahil edilip edilmeyece\u011fi belirsizdir, ancak bunun yapay \u00fcretimi, k\u0131sa \u00f6mr\u00fc ve a\u011f\u0131r atom bile\u015fiminden kaynaklanmas\u0131 m\u00fcmk\u00fcnd\u00fcr; bunlar da daha \u00f6nce bahsedilen elementlerle ortak y\u00f6nlerdir. Ek olarak, bunlar\u0131n hepsi g\u00fc\u00e7l\u00fc, parlak, elektriksel olarak iletken ve reaktiftir; kimya ve end\u00fcstriyel sekt\u00f6rde \u00e7ok az uygulamas\u0131 vard\u0131r.<\/p>\n<h2> <strong>Laurentium&#8217;un sa\u011fl\u0131k \u00fczerindeki etkileri<\/strong><\/h2>\n<p> Bu element radyoaktif \u00f6zelliklere sahip oldu\u011fundan ve minimum miktarlarda \u00fcretildi\u011finden sa\u011fl\u0131k a\u00e7\u0131s\u0131ndan herhangi bir olumsuz etkisi bilinmemektedir. Bu nedenle izotoplar\u0131 karars\u0131z oldu\u011fundan ve 1939&#8217;da II. D\u00fcnya Sava\u015f\u0131 s\u0131ras\u0131nda bir n\u00fckleer projenin par\u00e7as\u0131 oldu\u011funa inan\u0131ld\u0131\u011f\u0131ndan dikkatli kullan\u0131lmal\u0131d\u0131r.<\/p>\n<p> \u00d6zetle bu kimyasal element, 103 proton ve elektrondan olu\u015fan \u00e7ekirde\u011fi nedeniyle aktinitlerin en a\u011f\u0131r olan\u0131d\u0131r. Y\u00fcksek radyoaktivitesi g\u00f6z \u00f6n\u00fcne al\u0131nd\u0131\u011f\u0131nda, Laurentium&#8217;un deneysel n\u00fckleer alanda kullan\u0131m\u0131 minimum oranlarla s\u0131n\u0131rl\u0131d\u0131r. Ek olarak 10 izotoptan olu\u015fur ve 266&#8217;s\u0131 en kararl\u0131 olan\u0131d\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Laurentium, yer kabu\u011funda bulunmayan sentetik bir elementtir ve karars\u0131zd\u0131r, dolay\u0131s\u0131yla di\u011fer bile\u015fiklerin varl\u0131\u011f\u0131nda bozunur. Y\u00fcksek radyoaktivitesi ile dikkat \u00e7ekiyor, bu y\u00fczden g\u00fcnl\u00fck ya\u015famda \u00e7ok az uygulamas\u0131 var. Ayr\u0131ca sa\u011fl\u0131\u011fa etkileri kesin olarak bilinmemektedir. Yine de onun \u00f6zelliklerini, karakteristiklerini ve onu elde etme yollar\u0131n\u0131 anlatarak daha fazlas\u0131n\u0131 \u00f6\u011frenebiliriz. Laurencio nedir? Radyoaktif bir kimyasal element olarak periyodik &#8230; <a title=\"Laurence\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/laurent\/\" aria-label=\"More on Laurence\">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>Laurence - 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\/laurent\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Laurence - Chemuza\" \/>\n<meta property=\"og:description\" content=\"Laurentium, yer kabu\u011funda bulunmayan sentetik bir elementtir ve karars\u0131zd\u0131r, dolay\u0131s\u0131yla di\u011fer bile\u015fiklerin varl\u0131\u011f\u0131nda bozunur. 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