{"id":2528,"date":"2025-06-27T15:23:23","date_gmt":"2025-06-27T09:53:23","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2528"},"modified":"2025-06-29T16:44:52","modified_gmt":"2025-06-29T11:14:52","slug":"antimony-sb","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/antimony-sb\/","title":{"rendered":"Antimony (Sb)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\ud83d\udd39 Basic Information<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Element Name<\/strong>: Antimony<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Known since ancient times (used by Egyptians and others)<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: Ancient (records date back to 3000 BCE)<\/li>\n\n\n\n<li><strong>Category<\/strong>: Metalloid<\/li>\n\n\n\n<li><strong>Group<\/strong>: 15 (Group VA \u2013 Nitrogen group)<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Solid (shiny, brittle, silvery-gray) \u2699\ufe0f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Antimony is a <strong>metalloid<\/strong> \u2014 meaning it has properties of both metals and non-metals.<\/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>: Sb (from Latin <em>stibium<\/em>)<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 51<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~121.76 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: +3, +5<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: [Kr] 4d\u00b9\u2070 5s\u00b2 5p\u00b3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Antimony is <strong>stable in dry air<\/strong>, but reacts with acids and halogens. It often forms compounds with sulfur 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\">Antimony has been used for thousands of years in cosmetics (like ancient eyeliner) and as a medicine. Today, it&#8217;s mostly used in <strong>fire-resistant materials<\/strong> and <strong>metal alloys<\/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>Antimony compounds were used by ancient Egyptians as <strong>makeup (kohl)<\/strong>! \ud83d\udc41\ufe0f<\/li>\n\n\n\n<li>The symbol <strong>Sb<\/strong> comes from <em>stibium<\/em>, the Latin word for &#8220;mark&#8221; or &#8220;stain.&#8221;<\/li>\n\n\n\n<li>Antimony is brittle \u2014 if you hit it with a hammer, it <strong>shatters like glass<\/strong>, unlike most metals. \u274c\ud83d\udd27<\/li>\n\n\n\n<li>It is <strong>toxic in large amounts<\/strong>, so it&#8217;s handled with care in industries. \u26a0\ufe0f<\/li>\n\n\n\n<li>Antimony improves the hardness and strength of other metals when used in alloys.<\/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>Flame Retardants<\/strong>: Added to plastics and fabrics to make them fire-resistant. \ud83d\udd25\ud83e\uddef<\/li>\n\n\n\n<li><strong>Alloys<\/strong>: Combined with lead to make <strong>batteries, bullets, and type metal<\/strong> harder and stronger. \ud83d\udd0b<\/li>\n\n\n\n<li><strong>Semiconductors<\/strong>: Used in <strong>electronics and diodes<\/strong> due to its electrical properties. \ud83d\udcbb<\/li>\n\n\n\n<li><strong>Glass and Ceramics<\/strong>: Used to give color or remove bubbles.<\/li>\n\n\n\n<li><strong>Cosmetics (historically)<\/strong>: Used in ancient times as eyeliner and pigments. \ud83d\udc84<\/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 class=\"wp-block-paragraph\">Antimony is a <strong>shiny, brittle metalloid<\/strong> with a long history and some very <strong>modern uses<\/strong>, especially in making materials safer and stronger. For students, it\u2019s a great example of how elements can have both artistic and industrial importance! \ud83d\udd2c\u2728<\/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 Antimony is a metalloid \u2014 meaning it has properties of both metals and non-metals. \ud83d\udd38 Chemical Properties Antimony is stable in dry air, but reacts with acids and halogens. It often forms compounds with sulfur and oxygen. \ud83d\udcd8 Basic Things to Know Antimony has been used for thousands of years in cosmetics&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2724,"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-2528","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<!-- 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