{"id":1527,"date":"2023-07-13T15:36:14","date_gmt":"2023-07-13T15:36:14","guid":{"rendered":"https:\/\/chemuza.org\/tr\/aynstaynyum\/"},"modified":"2023-07-13T15:36:14","modified_gmt":"2023-07-13T15:36:14","slug":"aynstaynyum","status":"publish","type":"page","link":"https:\/\/chemuza.org\/tr\/aynstaynyum\/","title":{"rendered":"Einsteinyum"},"content":{"rendered":"<p>Einsteinyum gezegende do\u011fal olarak bulunmayan radyoaktif bir elementtir. Mikroskobik k\u0131s\u0131mlar\u0131n elde edildi\u011fi n\u00fckleer prosed\u00fcrlerle yapay olarak \u00fcretilir. Ayr\u0131ca do\u011fada h\u0131zla par\u00e7aland\u0131\u011f\u0131 i\u00e7in bile\u015fik olu\u015fturma yetene\u011fi bilinmemektedir. \u00d6zellikleri, k\u00f6keni ve birka\u00e7 uygulamas\u0131 hakk\u0131nda \u015fimdi daha fazla bilgi edinin.<\/p>\n<h2> <strong>Einsteinyum nedir?<\/strong><\/h2>\n<p> Periyodik tabloda atom numaras\u0131 99 ile i\u015faretlenmi\u015f, do\u011fas\u0131 gere\u011fi sentetik bir aktinittir. Beyaz tonlar\u0131nda kat\u0131 metalik gri g\u00f6r\u00fcn\u00fcmden olu\u015fur ve \u0131\u015f\u0131nlama \u00f6zelli\u011fine sahiptir. Ayr\u0131ca 16 izotop ve \u00fc\u00e7 izomerden yani ayn\u0131 say\u0131da atoma sahip molek\u00fcllerden olu\u015fur. \u0130zotoplar ve izomerler atom k\u00fctleleri ve \u00e7evresel \u00f6m\u00fcrleri bak\u0131m\u0131ndan farkl\u0131l\u0131k g\u00f6sterir.<\/p>\n<h3> <strong>Einsteinyum sembol\u00fc<\/strong><\/h3>\n<p> Bu ismi, ke\u015ffine kat\u0131lmamas\u0131na ra\u011fmen bilim adam\u0131 Albert Einstein&#8217;\u0131n onuruna <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;\">ald\u0131<\/span><\/span> . Albert Ghiorso y\u00f6netimindeki bir grup kimyager taraf\u0131ndan 1952&#8217;de Pasifik&#8217;te meydana gelen n\u00fckleer patlaman\u0131n kal\u0131nt\u0131lar\u0131nda ke\u015ffedildi.<\/p>\n<h2> <strong>Einsteinyumun \u00d6zellikleri<\/strong><\/h2>\n<p> Einsteinium elementi sentetiktir, dolay\u0131s\u0131yla yaln\u0131zca h\u0131zl\u0131 par\u00e7ac\u0131klarla donat\u0131lm\u0131\u015f daha kararl\u0131 \u00e7ekirdeklerin d\u00f6n\u00fc\u015f\u00fcm\u00fc veya bombard\u0131man\u0131 yoluyla elde edilir. Ayr\u0131ca di\u011fer aktinitlerde oldu\u011fu gibi \u00fc\u00e7 de\u011fil, 2 ba\u011f elektronuna sahip oldu\u011fundan iki de\u011ferlikli bir metaldir. Periyodik tablonun 7. periyodunda yer alan bu elementin di\u011fer fiziksel \u00f6zellikleri \u015funlard\u0131r:<\/p>\n<ul>\n<li> <strong>Durum<\/strong> : Kat\u0131 metalik.<\/li>\n<li> <strong>Renk<\/strong> : Parlak g\u00fcm\u00fc\u015f grisi, beyaz tonlar\u0131.<\/li>\n<li> <strong>Tat ve koku<\/strong> : Kokusuzdur, kendine \u00f6zg\u00fc bir tad\u0131 yoktur.<\/li>\n<li> <strong>Radyoaktivite:<\/strong> Y\u00fcksek ve kendi kendine \u0131\u015f\u0131nlanma \u00f6zellikleri sergiliyor.<\/li>\n<li> <strong>Reaktivite<\/strong> : Y\u00fcksek, oksijenle, asitlerle ve su buhar\u0131yla \u015fiddetli reaksiyona girer.<\/li>\n<li> <strong>Yap\u0131<\/strong> : Bilinmiyor.<\/li>\n<li> <strong>Bile\u015fimi<\/strong> : 99 elektron ve protondan olu\u015fur.<\/li>\n<\/ul>\n<h2> <strong>Einsteinium&#8217;un kimyasal ve fiziksel \u00f6zellikleri<\/strong><\/h2>\n<ol>\n<li> <strong>Atom numaras\u0131<\/strong> : 99<\/li>\n<li> <strong>D\u00f6nem<\/strong> : 7<\/li>\n<li> <strong>Blok<\/strong> : F<\/li>\n<li> <strong>Grup<\/strong> : 3<\/li>\n<li> <strong>Elektronegatiflik:<\/strong> 1.3<\/li>\n<li> <strong>Erime noktas\u0131:<\/strong> 860\u00b0C<\/li>\n<li> <strong>Atom yar\u0131\u00e7ap\u0131:<\/strong> 14:03<\/li>\n<li> <strong>\u0130yonik yar\u0131\u00e7ap:<\/strong> 0,98<\/li>\n<li> <strong>Atom k\u00fctlesi (g\/mol):<\/strong> 252 u<\/li>\n<li> <strong>Yo\u011funluk:<\/strong> 8,84 Kg\/m3<\/li>\n<li> <strong>Ortalama yar\u0131\u00e7ap:<\/strong> bilinmiyor<\/li>\n<li> <strong>Oksidasyon durumu<\/strong> : 2, 3, 4<\/li>\n<li> <strong>Kovalent yar\u0131\u00e7ap (\u00c5):<\/strong> bilinmiyor <strong>&nbsp;<\/strong><\/li>\n<li> <strong>Elektronik konfig\u00fcrasyon:<\/strong> [Rn] 5f11 7s2<\/li>\n<li> <strong>Birinci iyonla\u015fma potansiyeli<\/strong> (eV): 619 kJ\/mol<\/li>\n<li> <strong>Kaynama noktas\u0131:<\/strong> 996<strong> <\/strong>\u00b0C<\/li>\n<li> <strong>Katman ba\u015f\u0131na elektron say\u0131s\u0131:<\/strong> 2, 8, 18, 32, 29, 8, 2<\/li>\n<li> <strong>Is\u0131 iletkenli\u011fi:<\/strong> Bilinmiyor.<\/li>\n<\/ol>\n<h2> <strong>Einsteinyumun K\u00f6keni<\/strong><\/h2>\n<p> 1952&#8217;de G\u00fcney Pasifik&#8217;te 10 megatonluk bir n\u00fckleer bomban\u0131n patlamas\u0131ndan sonra ke\u015ffedildi. At\u0131klar\u0131 analiz eden Albert Ghiorso ve ekibi, izole ettikleri, \u00f6zelliklerini do\u011frulad\u0131klar\u0131 ve \u00e7ekirde\u011finde 92&#8217;den fazla elektron ve protona sahip oldu\u011fundan uranyum \u00f6tesi bir element olarak s\u0131n\u0131fland\u0131rd\u0131klar\u0131 253E izotopunu buldu.<\/p>\n<h2> <strong>Einsteinyum ne i\u00e7in kullan\u0131l\u0131r?<\/strong><\/h2>\n<p> Bug\u00fcne kadar mevcut olan minimum miktarlar g\u00f6z \u00f6n\u00fcne al\u0131nd\u0131\u011f\u0131nda, Einsteinium&#8217;un kullan\u0131mlar\u0131 neredeyse s\u0131f\u0131rd\u0131r. Bilinen tek kullan\u0131m\u0131, izotop 253E&#8217;lerin stabilitesi sayesinde Mendelevium kimyasal elementinin \u00fcretimidir. \u00d6rnek say\u0131s\u0131 az oldu\u011fu i\u00e7in temel bilimsel ara\u015ft\u0131rmalarda kullan\u0131l\u0131yor.<\/p>\n<h2> <strong>Einsteinyum nas\u0131l elde edilir?<\/strong><\/h2>\n<p> Einsteinyum, bir pl\u00fctonyum izotopu olan 1 kilogram Pu239&#8217;un Pu242 \u00fcreten bir reakt\u00f6rde \u0131\u015f\u0131nlanmas\u0131yla elde edilir. S\u00f6z konusu izotop, toz haline getirilmi\u015f pl\u00fctonyum ve al\u00fcminyum oksitten olu\u015fan halkalara eklenir. Daha sonra \u00e7ubuklara yerle\u015ftirilirler ve \u0131\u015f\u0131nlan\u0131rlar. \u00c7ubuklar daha sonra element ile Kaliforniyum aras\u0131nda ayr\u0131lmay\u0131 sa\u011flamak i\u00e7in y\u00fcksek ak\u0131\u015fl\u0131 bir izotop reakt\u00f6r\u00fcne yerle\u015ftirilir.<\/p>\n<h2> <strong>Einsteinyum \u00fczerine son \u00e7al\u0131\u015fmalar<\/strong><\/h2>\n<p> Az say\u0131da saf \u00f6rnek mevcut olmas\u0131na ra\u011fmen davran\u0131\u015f\u0131n\u0131n yeni y\u00f6nleri ke\u015ffedilmi\u015ftir. \u0130lk olarak, bir X-\u0131\u015f\u0131n\u0131 analizi, ba\u011f\u0131n uzun oldu\u011funu ve 2 atomu bir arada tutmay\u0131 ba\u015fard\u0131\u011f\u0131n\u0131 g\u00f6sterdi; bu, onu di\u011fer aktinitlerden ay\u0131ran bir eylemdir. Ek olarak bu, yak\u0131ndaki di\u011fer nesnelerle de eklemlenmesine olanak tan\u0131r. Bir ba\u015fka ke\u015fif ise \u0131\u015f\u0131\u011fa maruz kald\u0131\u011f\u0131nda grubundan farkl\u0131 olarak yanarak g\u00f6r\u00fcn\u00fcm\u00fcn\u00fc de\u011fi\u015ftirmesidir.<\/p>\n<h2> <strong>Einsteinium&#8217;un sa\u011fl\u0131k \u00fczerindeki etkileri<\/strong><\/h2>\n<p> Bu element, radyoaktif \u00f6zelliklerinden dolay\u0131 aktinit kimyasal serisinin bir par\u00e7as\u0131d\u0131r. \u00c7evredeki d\u00fc\u015f\u00fck varl\u0131\u011f\u0131n\u0131n sa\u011fl\u0131k a\u00e7\u0131s\u0131ndan ne gibi olumsuz etkileri olabilece\u011fi kesin de\u011fildir. Ancak radyoaktif par\u00e7ac\u0131klar yayd\u0131\u011f\u0131 i\u00e7in numuneleri laboratuvarda i\u015flerken \u00f6zel koruyucu ekipman kullan\u0131lmas\u0131 tavsiye edilir.<\/p>\n<h2> <strong>Einsteinyum hakk\u0131nda 3 ilgin\u00e7 ger\u00e7ek<\/strong><\/h2>\n<p> Ke\u015ffedildi\u011finde bu elemente Yunanistan&#8217;\u0131n ba\u015fkenti Atina&#8217;dan sonra Athenium ad\u0131 verildi. Daha sonra Einstein&#8217;\u0131n onuruna Einstein olarak yeniden adland\u0131r\u0131ld\u0131. Di\u011fer ilgin\u00e7 veriler ise \u015f\u00f6yle:<\/p>\n<ul>\n<li> Element su buhar\u0131 ve oksijenle reaksiyona girer ancak alkali metallerin sald\u0131r\u0131s\u0131na kar\u015f\u0131 diren\u00e7 g\u00f6sterir.<\/li>\n<li> H\u0131zl\u0131 ayr\u0131\u015fmas\u0131 tam bir analize izin vermez.<\/li>\n<li> \u0130zotop 253, yakla\u015f\u0131k 20 saat ile en uzun \u00f6mre sahiptir.<\/li>\n<\/ul>\n<p> \u00d6zetle, kimyasal element olduk\u00e7a radyoaktif bir sentetik metaldir ve yaln\u0131zca pl\u00fctonyum izotop \u00f6rneklerinin n\u00fckleer \u0131\u015f\u0131nlanmas\u0131yla elde edilir. Di\u011fer pratik uygulamalar\u0131 ke\u015ffetmek i\u00e7in \u00f6zel radyasyon ekipman\u0131yla donat\u0131lm\u0131\u015f b\u00fcy\u00fck n\u00fckleer laboratuvarlarda hala analiz a\u015famas\u0131ndad\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Einsteinyum gezegende do\u011fal olarak bulunmayan radyoaktif bir elementtir. Mikroskobik k\u0131s\u0131mlar\u0131n elde edildi\u011fi n\u00fckleer prosed\u00fcrlerle yapay olarak \u00fcretilir. Ayr\u0131ca do\u011fada h\u0131zla par\u00e7aland\u0131\u011f\u0131 i\u00e7in bile\u015fik olu\u015fturma yetene\u011fi bilinmemektedir. \u00d6zellikleri, k\u00f6keni ve birka\u00e7 uygulamas\u0131 hakk\u0131nda \u015fimdi daha fazla bilgi edinin. Einsteinyum nedir? Periyodik tabloda atom numaras\u0131 99 ile i\u015faretlenmi\u015f, do\u011fas\u0131 gere\u011fi sentetik bir aktinittir. Beyaz tonlar\u0131nda kat\u0131 metalik &#8230; <a title=\"Einsteinyum\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/aynstaynyum\/\" aria-label=\"More on Einsteinyum\">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>Einsteinyum - 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\/aynstaynyum\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Einsteinyum - Chemuza\" \/>\n<meta property=\"og:description\" content=\"Einsteinyum gezegende do\u011fal olarak bulunmayan radyoaktif bir elementtir. 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