{"id":2573,"date":"2025-06-27T16:03:08","date_gmt":"2025-06-27T10:33:08","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2573"},"modified":"2025-06-29T16:44:52","modified_gmt":"2025-06-29T11:14:52","slug":"osmium-os","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/osmium-os\/","title":{"rendered":"Osmium (Os)"},"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>: Osmium<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Smithson Tennant<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: 1803<\/li>\n\n\n\n<li><strong>Category<\/strong>: Transition Metal<\/li>\n\n\n\n<li><strong>Group<\/strong>: 8<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Solid (bluish-silver metal) \u2699\ufe0f<\/li>\n<\/ul>\n\n\n\n<p>Osmium is famous for being <strong>one of the densest and hardest natural elements<\/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\udd38 Chemical Properties<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chemical Symbol<\/strong>: Os<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 76<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~190.23 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: +2, +3, +4, +8<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: [Xe] 4f\u00b9\u2074 5d\u2076 6s\u00b2<\/li>\n<\/ul>\n\n\n\n<p>Osmium is very hard and brittle with a very high melting point.<\/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>Osmium is incredibly dense \u2014 about twice as dense as lead! It is very hard but brittle, and it has a bluish shine.<\/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>Osmium is the <strong>densest naturally occurring element<\/strong> (density about 22.6 g\/cm\u00b3).<\/li>\n\n\n\n<li>It has a <strong>bluish color<\/strong>, unlike most other metals which are silver or grey.<\/li>\n\n\n\n<li>Osmium tetroxide (a compound of osmium) is very toxic and has a strong smell, so it must be handled carefully! \u2623\ufe0f<\/li>\n\n\n\n<li>Used in <strong>very hard alloys<\/strong> for fountain pen tips, electrical contacts, and instrument pivots. \ud83d\udd8b\ufe0f\u26a1<\/li>\n\n\n\n<li>Osmium\u2019s hardness makes it valuable for parts that need to resist wear and tear.<\/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>Alloys<\/strong>: Mixed with other metals like platinum for very hard and durable materials. \ud83d\udd29<\/li>\n\n\n\n<li><strong>Pen Tips &amp; Electrical Contacts<\/strong>: For long-lasting, wear-resistant parts. \ud83d\udd8b\ufe0f\u26a1<\/li>\n\n\n\n<li><strong>Microscope &amp; Telescope Parts<\/strong>: Precision instruments needing strong, durable components. \ud83d\udd2d\ud83d\udd2c<\/li>\n\n\n\n<li><strong>Catalysts<\/strong>: Used in some chemical reactions in industry. \ud83e\uddea<\/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>Osmium is a <strong>rare and super-dense metal<\/strong> that plays an important role in making durable and precise tools. For students, it\u2019s a fascinating example of how nature creates materials that are <strong>both strong and unique<\/strong>! \ud83d\udcaa\ud83d\udd2c<\/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 Osmium is famous for being one of the densest and hardest natural elements. &hellip; <a title=\"Osmium (Os)\" class=\"hm-read-more\" href=\"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/osmium-os\/\"><span class=\"screen-reader-text\">Osmium (Os)<\/span>Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":2735,"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-2573","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\/94.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\/2573","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=2573"}],"version-history":[{"count":1,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2573\/revisions"}],"predecessor-version":[{"id":2597,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2573\/revisions\/2597"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media\/2735"}],"wp:attachment":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media?parent=2573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/categories?post=2573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/tags?post=2573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}