{"id":2383,"date":"2025-06-27T14:05:12","date_gmt":"2025-06-27T08:35:12","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2383"},"modified":"2025-06-29T16:44:55","modified_gmt":"2025-06-29T11:14:55","slug":"lithium-li","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/lithium-li\/","title":{"rendered":"Lithium (Li)"},"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>: Lithium<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Johan August Arfwedson<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: 1817<\/li>\n\n\n\n<li><strong>Category<\/strong>: Alkali Metal<\/li>\n\n\n\n<li><strong>Group<\/strong>: 1 (Group IA \u2013 Alkali Metals)<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Solid (soft, silvery-white metal) \u26aa<\/li>\n<\/ul>\n\n\n\n<p>Lithium is a <strong>light, soft, and highly reactive metal<\/strong>. It belongs to the <strong>alkali metals<\/strong>, which are known for reacting strongly with water and air. Lithium is the <strong>lightest metal<\/strong> and one of the most important elements in modern technology!<\/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>: Li<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 3<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~6.94 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: 1<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: 1s\u00b2 2s\u00b9<\/li>\n<\/ul>\n\n\n\n<p>Lithium has <strong>one electron in its outer shell<\/strong>, making it highly reactive. It easily forms <strong>lithium compounds<\/strong> like lithium carbonate (Li\u2082CO\u2083), which are used in batteries and medicine.<\/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>Lithium is <strong>never found free in nature<\/strong> due to its reactivity. Instead, it&#8217;s found in minerals and brine lakes. \ud83c\udf0a<\/p>\n\n\n\n<p>Despite being a metal, lithium is <strong>so soft you can cut it with a knife<\/strong> \u2014 and it floats on water! It reacts quickly, especially with water, producing hydrogen gas and heat. \ud83d\udca5<\/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>Lithium is the <strong>lightest metal<\/strong> and the <strong>least dense solid element<\/strong>. \ud83e\udeb6<\/li>\n\n\n\n<li>It&#8217;s used in <strong>rechargeable batteries<\/strong> for phones, laptops, and electric vehicles. \ud83d\udd0b\ud83d\ude97<\/li>\n\n\n\n<li>Lithium salts are used as <strong>mood stabilizers<\/strong> in medicine (to treat bipolar disorder). \ud83e\udde0<\/li>\n\n\n\n<li>It burns with a <strong>bright crimson-red flame<\/strong>, useful in fireworks and flares. \ud83c\udf86<\/li>\n\n\n\n<li>The name &#8220;lithium&#8221; comes from the Greek word <strong>&#8220;lithos,&#8221;<\/strong> meaning <strong>stone<\/strong> \u2014 because it was first found in rocks.<\/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>Rechargeable Batteries<\/strong>: Used in <strong>phones, laptops, electric cars, and power tools<\/strong>. \ud83d\udcf1\ud83d\udd0b<\/li>\n\n\n\n<li><strong>Aerospace<\/strong>: Lightweight lithium alloys are used in <strong>aircraft and space tech<\/strong>. \u2708\ufe0f\ud83d\ude80<\/li>\n\n\n\n<li><strong>Medicine<\/strong>: Lithium compounds help treat <strong>mental health conditions<\/strong> like bipolar disorder. \ud83d\udc8a<\/li>\n\n\n\n<li><strong>Glass &amp; Ceramics<\/strong>: Added to make materials more heat-resistant. \ud83c\udf76\ud83d\udd25<\/li>\n\n\n\n<li><strong>Lubricants<\/strong>: Used in <strong>high-performance greases and oils<\/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\udcda Conclusion<\/h2>\n\n\n\n<p>Lithium may be small and light, but it plays a <strong>huge role in the modern world<\/strong>. From powering devices to supporting mental health, lithium is a perfect example of how chemistry is changing the future. For students, it\u2019s a cool intro to <strong>how science meets technology and medicine<\/strong>. \ud83d\udd2c\ud83c\udf0d<\/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 Lithium is a light, soft, and highly reactive metal. It belongs to the &hellip; <a title=\"Lithium (Li)\" class=\"hm-read-more\" href=\"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/lithium-li\/\"><span class=\"screen-reader-text\">Lithium (Li)<\/span>Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":2758,"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-2383","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\/117.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\/2383","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=2383"}],"version-history":[{"count":1,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2383\/revisions"}],"predecessor-version":[{"id":2415,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2383\/revisions\/2415"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media\/2758"}],"wp:attachment":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media?parent=2383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/categories?post=2383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/tags?post=2383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}