{"id":2469,"date":"2025-06-27T14:30:48","date_gmt":"2025-06-27T09:00:48","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2469"},"modified":"2025-06-29T16:44:54","modified_gmt":"2025-06-29T11:14:54","slug":"strontium-sr","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/strontium-sr\/","title":{"rendered":"Strontium (Sr)"},"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>: Strontium<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Adair Crawford &amp; William Cruickshank<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: 1790<\/li>\n\n\n\n<li><strong>Category<\/strong>: Alkaline Earth Metal<\/li>\n\n\n\n<li><strong>Group<\/strong>: 2 (Group IIA \u2013 Alkaline Earth Metals)<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Solid (soft, silvery metal) \u2699\ufe0f<\/li>\n<\/ul>\n\n\n\n<p>Strontium is a <strong>soft, silvery metal<\/strong> that\u2019s part of the <strong>alkaline earth metals<\/strong> family. It\u2019s known for its <strong>bright red flame<\/strong> when burned and is often used in <strong>fireworks and flares<\/strong>! \ud83c\udf86<\/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>: Sr<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 38<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~87.62 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: 2<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: [Kr] 5s\u00b2<\/li>\n<\/ul>\n\n\n\n<p>Strontium is <strong>highly reactive<\/strong>, especially with water and air. It quickly forms a white oxide layer and reacts with water to produce <strong>hydrogen gas<\/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\udcd8 Basic Things to Know<\/h2>\n\n\n\n<p>Strontium is <strong>never found alone in nature<\/strong> \u2014 it\u2019s found in minerals like <strong>celestine<\/strong> and <strong>strontianite<\/strong>. It was named after the village <strong>Strontian in Scotland<\/strong>, where it was first identified.<\/p>\n\n\n\n<p>In the body, strontium is <strong>chemically similar to calcium<\/strong> and can even be found in bones in small amounts.<\/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>Strontium burns with a <strong>bright red flame<\/strong>, making it perfect for <strong>red fireworks<\/strong> and signal flares. \ud83c\udf87<\/li>\n\n\n\n<li>It was once used in <strong>CRT televisions<\/strong> to block harmful X-rays. \ud83d\udcfa<\/li>\n\n\n\n<li>Strontium-90, a radioactive form, is a <strong>by-product of nuclear reactions<\/strong> and can be dangerous. \u2622\ufe0f<\/li>\n\n\n\n<li>In trace amounts, strontium is found in <strong>bones and teeth<\/strong>, similar to calcium. \ud83e\uddb4<\/li>\n\n\n\n<li>It\u2019s used in <strong>fluorescent lights<\/strong> and even in <strong>dental care 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<ul class=\"wp-block-list\">\n<li><strong>Fireworks<\/strong>: Gives off a <strong>bright red color<\/strong> \u2014 one of its most famous uses! \ud83c\udf86<\/li>\n\n\n\n<li><strong>Signal Flares<\/strong>: Used in <strong>emergency and military<\/strong> signaling due to its strong red flame. \ud83d\udea8<\/li>\n\n\n\n<li><strong>Medical Field<\/strong>: Strontium ranelate is studied for use in <strong>bone health treatments<\/strong>. \ud83d\udc8a<\/li>\n\n\n\n<li><strong>Glass Manufacturing<\/strong>: Added to glass for <strong>TV tubes and certain lenses<\/strong>. \ud83d\udd0d<\/li>\n\n\n\n<li><strong>Nuclear Industry<\/strong>: Strontium-90 is used in <strong>radioisotope thermoelectric generators<\/strong> (RTGs).<\/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>Strontium is a <strong>bright and reactive metal<\/strong> that adds color to the sky and strength to science. From dazzling fireworks to medical research, strontium shows how chemistry plays a part in <strong>entertainment, safety, and health<\/strong>. For students, it\u2019s a cool example of how <strong>science lights up our world \u2014 literally!<\/strong> \ud83d\udd2c\ud83c\udf87<\/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 Strontium is a soft, silvery metal that\u2019s part of the alkaline earth metals &hellip; <a title=\"Strontium (Sr)\" class=\"hm-read-more\" href=\"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/strontium-sr\/\"><span class=\"screen-reader-text\">Strontium (Sr)<\/span>Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":2783,"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-2469","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\/24.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\/2469","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=2469"}],"version-history":[{"count":1,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2469\/revisions"}],"predecessor-version":[{"id":2476,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2469\/revisions\/2476"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media\/2783"}],"wp:attachment":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media?parent=2469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/categories?post=2469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/tags?post=2469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}