{"id":2657,"date":"2025-06-27T16:49:17","date_gmt":"2025-06-27T11:19:17","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2657"},"modified":"2025-06-29T16:44:50","modified_gmt":"2025-06-29T11:14:50","slug":"berkelium-bk","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/berkelium-bk\/","title":{"rendered":"Berkelium (Bk)"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\ud83d\udd39 Basic Information<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Element Name<\/strong>: Berkelium<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Glenn T. Seaborg, Albert Ghiorso, and Stanley G. Thompson<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: 1949<\/li>\n\n\n\n<li><strong>Category<\/strong>: Actinide Series \/ Radioactive Metal<\/li>\n\n\n\n<li><strong>Group<\/strong>: Actinides (no formal group number)<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Solid \ud83e\uddca<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Berkelium is a <strong>man-made radioactive metal<\/strong>. It was discovered by scientists working at the <strong>University of California, Berkeley<\/strong> \u2014 which is where the element gets its name! \ud83c\udfeb<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd38 Chemical Properties<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chemical Symbol<\/strong>: Bk<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 97<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~247 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: Typically +3<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: [Rn] 5f\u2079 7s\u00b2<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Berkelium is chemically similar to <strong>terbium and other actinides<\/strong>. It usually forms <strong>Bk\u00b3\u207a ions<\/strong> and combines with halogens and oxygen.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcd8 Basic Things to Know<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Berkelium was the <strong>fifth transuranic element<\/strong> discovered. It&#8217;s produced by <strong>bombarding americium<\/strong> with alpha particles in a particle accelerator.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\udd14 Interesting Facts<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Named after <strong>Berkeley, California<\/strong>, a hub for scientific research \ud83c\uddfa\ud83c\uddf8<\/li>\n\n\n\n<li>Very <strong>radioactive<\/strong> and <strong>glows in the dark<\/strong> due to radiation \u2728<\/li>\n\n\n\n<li>One of the few elements that helped synthesize <strong>heavier elements<\/strong> like <strong>Tennessine<\/strong><\/li>\n\n\n\n<li>Exists only in <strong>small amounts<\/strong> and is <strong>extremely hard to isolate<\/strong><\/li>\n\n\n\n<li>Berkelium-249 is the most commonly studied isotope and is <strong>used in superheavy element research<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd27 Common Uses<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f Berkelium has <strong>no commercial uses<\/strong> due to its <strong>radioactivity and limited availability<\/strong>.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714\ufe0f <strong>Scientific Research<\/strong>:<br>Used in the synthesis of <strong>superheavy elements<\/strong>, like <strong>element 117 (Tennessine)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714\ufe0f <strong>Nuclear Studies<\/strong>:<br>Studied in <strong>actinide chemistry<\/strong> and helps understand <strong>radioactive decay<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714\ufe0f <strong>Materials Testing<\/strong>:<br>Used in <strong>radiation shielding and detector calibration<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcda Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Berkelium is a <strong>rare, synthetic radioactive element<\/strong> that expands our knowledge of the <strong>actinide series<\/strong> and helps scientists push the boundaries of the <strong>periodic table<\/strong>. Named after a city known for science, it&#8217;s a reminder that <strong>new discoveries often start in a lab but reach far into the future<\/strong>! \ud83e\uddea\ud83d\udd2c<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udd39 Basic Information Berkelium is a man-made radioactive metal. It was discovered by scientists working at the University of California, Berkeley \u2014 which is where the element gets its name! \ud83c\udfeb \ud83d\udd38 Chemical Properties Berkelium is chemically similar to terbium and other actinides. It usually forms Bk\u00b3\u207a ions and combines with halogens and oxygen. \ud83d\udcd8&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2772,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[672],"tags":[656,652,653,661,647,643,648,670,666,664,662,650,651,645,660,663,655,646,657,659,658,665,642,644,668,669,667,649,671,654],"class_list":["post-2657","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-periodic-table-for-students","tag-actinides","tag-alkali-metals","tag-alkaline-earth-metals","tag-atomic-mass","tag-atomic-number","tag-chemical-elements","tag-chemical-symbols","tag-chemistry-basics","tag-chemistry-study-guide","tag-electron-configuration","tag-electronegativity","tag-element-groups","tag-element-periods","tag-element-properties","tag-halogens","tag-ionization-energy","tag-lanthanides","tag-mendeleev-periodic-table","tag-metalloids","tag-noble-gases","tag-nonmetals","tag-oxidation-states","tag-periodic-table","tag-periodic-table-elements","tag-periodic-table-explained","tag-periodic-table-facts","tag-periodic-table-for-students","tag-periodic-trends","tag-science-education","tag-transition-metals"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\ud83d\udd39 Basic Information Element Name: Berkelium Discovered By: Glenn T. 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Seaborg, Albert Ghiorso, and Stanley G. Thompson Year of Discovery: 1949 Category: Actinide Series \/ Radioactive Metal Group: Actinides (no formal group number) State at Room Temperature: Solid \ud83e\uddca Berkelium is a man-made radioactive metal. 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