{"id":2559,"date":"2025-06-27T16:11:18","date_gmt":"2025-06-27T10:41:18","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2559"},"modified":"2025-06-29T16:44:51","modified_gmt":"2025-06-29T11:14:51","slug":"holmium-ho","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/holmium-ho\/","title":{"rendered":"Holmium (Ho)"},"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>: Holmium<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Marc Delafontaine and Jacques-Louis Soret<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: 1878<\/li>\n\n\n\n<li><strong>Category<\/strong>: Lanthanide (Rare Earth Metal)<\/li>\n\n\n\n<li><strong>Group<\/strong>: f-block<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Solid (silvery-white metal) \u2699\ufe0f<\/li>\n<\/ul>\n\n\n\n<p>Holmium is a rare earth metal known for its <strong>exceptionally strong magnetic properties<\/strong> and use in lasers.<\/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>: Ho<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 67<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~164.93 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: +3<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: [Xe] 4f\u00b9\u00b9 6s\u00b2<\/li>\n<\/ul>\n\n\n\n<p>Holmium is relatively stable in dry air but quickly forms an oxide layer when exposed to moisture.<\/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>Holmium is <strong>soft, silvery, and malleable<\/strong>. It\u2019s not as well-known as other elements, but it\u2019s used in <strong>powerful magnets and medical technology<\/strong>.<\/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>Holmium was named after <strong>Stockholm (Holmia)<\/strong>, the capital of Sweden. \ud83c\uddf8\ud83c\uddea<\/li>\n\n\n\n<li>It has the <strong>highest magnetic strength<\/strong> of any element \u2014 stronger than iron or neodymium in certain conditions! \ud83e\uddf2<\/li>\n\n\n\n<li>Holmium compounds emit <strong>bright orange and yellow colors<\/strong> when exposed to certain light. \ud83d\udfe0\ud83d\udca1<\/li>\n\n\n\n<li>Despite its strength, it&#8217;s too reactive to be used alone in magnets \u2014 it&#8217;s usually combined with other elements.<\/li>\n\n\n\n<li>It\u2019s used in <strong>lasers for surgery<\/strong> and in nuclear control rods. \ud83d\udee1\ufe0f\ud83d\udd2c<\/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<ul class=\"wp-block-list\">\n<li><strong>Magnets<\/strong>: Used in <strong>high-strength magnets<\/strong> for scientific and industrial purposes. \ud83e\uddf2<\/li>\n\n\n\n<li><strong>Lasers<\/strong>: Holmium lasers are used in <strong>eye surgery and dentistry<\/strong>. \ud83d\udc41\ufe0f\ud83e\uddb7<\/li>\n\n\n\n<li><strong>Nuclear Reactors<\/strong>: Acts as a neutron absorber in control rods. \u2622\ufe0f<\/li>\n\n\n\n<li><strong>Color Glass and Lamps<\/strong>: Holmium salts add color to glass and special lights. \ud83d\udca1\ud83d\udd2c<\/li>\n\n\n\n<li><strong>Research<\/strong>: In advanced materials and magnetic studies.<\/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\udcda Conclusion<\/h2>\n\n\n\n<p>Holmium is a <strong>powerful, magnetic rare earth metal<\/strong> with cool colors and high-tech uses. For students, it&#8217;s a great example of how even lesser-known elements play a <strong>big role in science, medicine, and technology<\/strong>! \ud83c\udf08\ud83e\uddf2<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udd39 Basic Information Holmium is a rare earth metal known for its exceptionally strong magnetic properties &hellip; <a title=\"Holmium (Ho)\" class=\"hm-read-more\" href=\"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/holmium-ho\/\"><span class=\"screen-reader-text\">Holmium (Ho)<\/span>Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":2693,"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-2559","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":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/texpertssolutions.com\/notes\/wp-content\/uploads\/2025\/06\/52.png?fit=1280%2C720&ssl=1","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2559","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/comments?post=2559"}],"version-history":[{"count":1,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2559\/revisions"}],"predecessor-version":[{"id":2602,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2559\/revisions\/2602"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media\/2693"}],"wp:attachment":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media?parent=2559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/categories?post=2559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/tags?post=2559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}