{"id":1446,"date":"2023-07-14T23:41:06","date_gmt":"2023-07-14T23:41:06","guid":{"rendered":"https:\/\/chemuza.org\/tr\/skandiyum\/"},"modified":"2023-07-14T23:41:06","modified_gmt":"2023-07-14T23:41:06","slug":"skandiyum","status":"publish","type":"page","link":"https:\/\/chemuza.org\/tr\/skandiyum\/","title":{"rendered":"Skandiyum"},"content":{"rendered":"<p>Periyodik tablodaki ge\u00e7i\u015f metallerine hakim olan bir element. Ancak yaln\u0131zca bu blokla de\u011fil ayn\u0131 zamanda nadir toprak elementleriyle de ortak \u00f6zellikler ta\u015f\u0131yor. Ayr\u0131ca her iki dizinin de \u00fcyesi olarak kabul ediliyor. D\u00f6rt ana g\u00fcc\u00fc aras\u0131nda hafiflik, kuvvet, sertlik ve parlakl\u0131k vard\u0131r. Skandiyumdan bahsediyoruz ve burada onun ne i\u00e7in kullan\u0131ld\u0131\u011f\u0131n\u0131 ve \u00f6zelliklerinin neler oldu\u011funu g\u00f6receksiniz.<\/p>\n<h2> <strong>Skandiyum nedir?<\/strong><\/h2>\n<p> Hidroflorik ve nitrik asitlerle birlikte genellikle \u00e7ok hafif, yumu\u015fak ve demir i\u00e7eren bir metal olan ge\u00e7i\u015f metali serisine dahil olan kimyasal bir elementtir. Ek olarak soluk, beyaz veya g\u00fcm\u00fc\u015fi bir renk sunar, ancak havaya maruz kald\u0131\u011f\u0131nda hafif pembemsi ve sar\u0131ms\u0131 g\u00f6r\u00fcnebilir. \u00d6te yandan skandiyumun \u00f6zellikleri itriyum ve lantanitlerin \u00f6zellikleriyle benzerlik g\u00f6stermektedir.<\/p>\n<h3> <strong>Skandiyum 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;\">Sc<\/span><\/span> Skandiyumun kimyasal sembol\u00fc, etimolojik k\u00f6keni Latin <em>Scandia&#8217;dan<\/em> gelen \u0130skandinav s\u00f6zc\u00fc\u011f\u00fcnden gelir. Bu elementin b\u00fcy\u00fck miktarlarda \u0130skandinav Yar\u0131madas\u0131&#8217;nda, \u00f6zellikle de mineralleri aras\u0131nda bulunmas\u0131 nedeniyle bu ismi alm\u0131\u015ft\u0131r.<\/p>\n<h2> <strong>Skandiyumun \u00d6zellikleri<\/strong><\/h2>\n<p> Bunlardan biri 21 elektron, 21 proton ve 24 n\u00f6trondan olu\u015fan atomik yap\u0131s\u0131 olabilir. Elektronlar\u0131n\u0131n d\u00f6rt enerji seviyesinde sal\u0131nd\u0131\u011f\u0131 yer. \u00d6te yandan yand\u0131\u011f\u0131nda k\u0131rm\u0131z\u0131ms\u0131-sar\u0131ms\u0131 bir alev olu\u015fturur. Bu metalin daha fazla a\u00e7\u0131klamas\u0131na bak\u0131n:<\/p>\n<ul>\n<li> <strong>Kimyasal Reaktivite<\/strong> : Atom b\u00fcy\u00fckl\u00fc\u011f\u00fcyle orant\u0131l\u0131 olarak artan, su, kuvvetli asitler ve t\u00fcm halojenlerle reaksiyona giren reaktif bir elementtir.<\/li>\n<li> <strong>Erime ve Kaynama<\/strong> : Bu noktalar \u00e7ok y\u00fcksektir.<\/li>\n<li> <strong>Durumu<\/strong> : Oda s\u0131cakl\u0131\u011f\u0131nda normal \u015fekli kat\u0131d\u0131r.<\/li>\n<li> <strong>De\u011fi\u015fiklikler<\/strong> : Do\u011fal hali yumu\u015fak ve p\u00fcr\u00fczs\u00fcz bir dokuya sahiptir, ancak ala\u015f\u0131mland\u0131\u011f\u0131nda b\u00fcy\u00fck bir mukavemet ve sertlik sergiler.<\/li>\n<li> <strong>S\u0131cakl\u0131k<\/strong> : Y\u00fcksek s\u0131cakl\u0131klara kar\u015f\u0131 dayan\u0131m\u0131 iyidir.<\/li>\n<li> <strong>Kararl\u0131l\u0131k<\/strong> : Kararl\u0131d\u0131r, ancak \u0131s\u0131t\u0131ld\u0131\u011f\u0131nda ayr\u0131\u015f\u0131r ve havaya maruz kald\u0131\u011f\u0131nda oksitlenir.<\/li>\n<li> <strong>Manyetik D\u00fczen<\/strong> : Paramanyetizmay\u0131 tan\u0131t\u0131r.<\/li>\n<li> <strong>Toksisite d\u00fczeyi<\/strong> : Toksik bir metal olarak kabul edilmez.<\/li>\n<li> <strong>Yo\u011funluk<\/strong> : Genellikle hafiftir ve yo\u011funlu\u011fu al\u00fcminyuma yak\u0131nd\u0131r.<\/li>\n<li> <strong>Oksidasyon Durumu<\/strong> : 0, +1 ve +2 olmakla birlikte en \u00e7ok kullan\u0131lan\u0131 +3&#8217;t\u00fcr.<\/li>\n<\/ul>\n<h2> <strong>Skandiyumun kimyasal ve fiziksel \u00f6zellikleri<\/strong><\/h2>\n<ol>\n<li> <strong>Atom numaras\u0131<\/strong> : 21<\/li>\n<li> <strong>Kovalent yar\u0131\u00e7ap (\u00c5)<\/strong> : 1,44<\/li>\n<li> <strong>Atom k\u00fctlesi (g\/mol)<\/strong> : 44.955<\/li>\n<li> <strong>Yo\u011funluk (g\/ml)<\/strong> : 3,0<\/li>\n<li> <strong>Oksidasyon durumlar\u0131<\/strong> : 3<\/li>\n<li> <strong>Elektronegatiflik<\/strong> : 1.36<\/li>\n<li> <strong>S\u0131radan durum<\/strong> : Kat\u0131<\/li>\n<li> <strong>\u00d6zg\u00fcl \u0131s\u0131<\/strong> : 568 J\/(K-kg)<\/li>\n<li> <strong>Buharla\u015fma entalpisi<\/strong> : 314,2 kJ\/mol<\/li>\n<li> <strong>Elektronik konfig\u00fcrasyon<\/strong> : [Ar]4 s\u00b2 3d <sup>1<\/sup><\/li>\n<li> <strong>Birinci iyonla\u015fma potansiyeli (eV)<\/strong> : 633,1 kJ\/mol<\/li>\n<li> <strong>Erime noktas\u0131<\/strong> : 1541\u00b0C (1814K)<\/li>\n<li> <strong>F\u00fczyon entalpisi<\/strong> : 14,1 kJ\/mol<\/li>\n<li> <strong>Oksit<\/strong> : Zay\u0131f baz<\/li>\n<li> <strong>Atom yar\u0131\u00e7ap\u0131 (\u00c5)<\/strong> : 1,84<\/li>\n<li> <strong>Seviye ba\u015f\u0131na elektronlar<\/strong> : 2, 8, 9, 2<\/li>\n<li> <strong>Kaynama noktas\u0131<\/strong> : 2830 \u00b0C (3103 K)<\/li>\n<li> <strong>Ses h\u0131z\u0131<\/strong> : Veri yok m\/s 293,15 K<\/li>\n<\/ol>\n<h2> <strong>Skandiyumun K\u00f6keni<\/strong><\/h2>\n<p> Skandiyumun ka\u015fifi, 1879&#8217;da ekibiyle birlikte gadolinit ve \u0130lsenit minerallerinin spektral analizini ger\u00e7ekle\u015ftiren Lars Fredrick Nilson&#8217;du. Bu, nadir toprak metallerini ara\u015ft\u0131r\u0131rken oldu. \u0130zole etmek i\u00e7in 10 kg eksenit ve di\u011fer elementlerin kal\u0131nt\u0131lar\u0131n\u0131 i\u015flemeye ba\u015flad\u0131. Sonu\u00e7ta 2 gram saf skandiyum oksit ortaya \u00e7\u0131kt\u0131.<\/p>\n<p> Ancak 1937&#8217;de Dmitri Mendeleyev bor ile benzer \u00f6zelliklere sahip olacak yeni bir elementin varl\u0131\u011f\u0131n\u0131 \u00f6nceden \u00f6ng\u00f6rd\u00fc ve ona <em>Ekaboro<\/em> ad\u0131n\u0131 verdi. Daha sonra kimyager Per Theodor Cleve, skandiyum oksidin tahmin edilen <em>Ekaboro<\/em> oldu\u011funu do\u011frulad\u0131. Daha sonra ilk kez elektrolizle izole edildi.<\/p>\n<h2> <strong>Skandiyum ne i\u00e7in kullan\u0131l\u0131r?<\/strong><\/h2>\n<p> Al\u0131\u015f\u0131lmad\u0131k bir e\u015fya olmas\u0131na ra\u011fmen \u00e7ok y\u00f6nl\u00fc bir metaldir. Asl\u0131nda kimya, havac\u0131l\u0131k ve tar\u0131m end\u00fcstrilerinde kullan\u0131lmaktad\u0131r. \u00d6rne\u011fin Sc2(SO4)3 farkl\u0131 sebzelerin \u00e7imlenmesini iyile\u015ftirir. Bu kimyasal bile\u015fenin di\u011fer kullan\u0131mlar\u0131n\u0131 ke\u015ffedin:<\/p>\n<ul>\n<li> Havac\u0131l\u0131k ve uzay end\u00fcstrisinde kullan\u0131lan, hafifli\u011fini, y\u00fcksek s\u0131cakl\u0131klara ve korozyona dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 koruyan al\u00fcminyumlu ala\u015f\u0131mlar\u0131n elde edilmesini m\u00fcmk\u00fcn k\u0131lar.<\/li>\n<li> Sc <sub>2<\/sub> O <sub>3<\/sub> , y\u00fcksek yo\u011funluklu \u0131\u015f\u0131klar\u0131n \u00fcretiminde kullan\u0131l\u0131r.<\/li>\n<li> Stadyumlar, spor sahalar\u0131, dijital kameralar, bilgisayar monit\u00f6rleri ve televizyon ekranlar\u0131 gibi c\u0131va buharl\u0131 lambalarda yapay \u0131\u015f\u0131\u011f\u0131n kalitesini art\u0131r\u0131r.<\/li>\n<li> Ya\u011f\u0131n \u00e7atlamas\u0131 s\u0131ras\u0131nda izleyici g\u00f6revi g\u00f6r\u00fcr.<\/li>\n<li> Kimya end\u00fcstrisinde propanol \u00fcretimi s\u0131ras\u0131nda dikarboksilik asitleri siklik bile\u015fiklere ve asetik asidi asetona d\u00f6n\u00fc\u015ft\u00fcren bir kataliz\u00f6r olarak kullan\u0131l\u0131r.<\/li>\n<\/ul>\n<h2> <strong>Skandiyum nerede bulunur?<\/strong><\/h2>\n<p> Bu elementin izleri \u0130sve\u00e7, Danimarka, Norve\u00e7 ve Madagaskar&#8217;da eusenit, tortveitit ve gadolinit gibi 800&#8217;den fazla mineralde bulunur. Ayr\u0131ca wolframit madencili\u011fi sonras\u0131nda kal\u0131nt\u0131 olarak kar\u015f\u0131m\u0131za \u00e7\u0131kmaktad\u0131r. Ancak en \u00e7ok g\u00fcne\u015fte ve galaktik merkezin dev y\u0131ld\u0131zlar\u0131nda bulunur.<\/p>\n<p> \u00d6zetle skandiyum, lantanitlere benzer ge\u00e7i\u015f metali \u00f6zelliklerine sahip kimyasal bir elementtir. Ayr\u0131ca g\u00fcm\u00fc\u015f beyaz\u0131, hafif, dayan\u0131kl\u0131 ve yumu\u015fakt\u0131r. Atom k\u00fctlesi 44,95 ve numaras\u0131 21&#8217;dir. \u00d6te yandan, di\u011fer yayg\u0131n ve nadir kullan\u0131mlar\u0131n yan\u0131 s\u0131ra u\u00e7aklarda kullan\u0131lan al\u00fcminyum ala\u015f\u0131mlar\u0131n\u0131 da \u00fcretmektedir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Periyodik tablodaki ge\u00e7i\u015f metallerine hakim olan bir element. Ancak yaln\u0131zca bu blokla de\u011fil ayn\u0131 zamanda nadir toprak elementleriyle de ortak \u00f6zellikler ta\u015f\u0131yor. Ayr\u0131ca her iki dizinin de \u00fcyesi olarak kabul ediliyor. D\u00f6rt ana g\u00fcc\u00fc aras\u0131nda hafiflik, kuvvet, sertlik ve parlakl\u0131k vard\u0131r. Skandiyumdan bahsediyoruz ve burada onun ne i\u00e7in kullan\u0131ld\u0131\u011f\u0131n\u0131 ve \u00f6zelliklerinin neler oldu\u011funu g\u00f6receksiniz. Skandiyum &#8230; <a title=\"Skandiyum\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/skandiyum\/\" aria-label=\"More on Skandiyum\">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>Skandiyum - 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\/skandiyum\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Skandiyum - Chemuza\" \/>\n<meta property=\"og:description\" content=\"Periyodik tablodaki ge\u00e7i\u015f metallerine hakim olan bir element. 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