{"id":2403,"date":"2025-06-27T14:11:00","date_gmt":"2025-06-27T08:41:00","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2403"},"modified":"2025-06-29T16:44:54","modified_gmt":"2025-06-29T11:14:54","slug":"sodium-na","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/sodium-na\/","title":{"rendered":"Sodium (Na)"},"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>: Sodium<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Sir Humphry Davy<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: 1807<\/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>Sodium is a <strong>highly reactive metal<\/strong> and one of the <strong>alkali metals<\/strong>, which are soft, shiny, and very reactive \u2014 especially with water! It\u2019s never found free in nature because it reacts quickly with air and 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\udd38 Chemical Properties<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chemical Symbol<\/strong>: Na <em>(from Latin \u201cNatrium\u201d)<\/em><\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 11<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~22.99 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: 1<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: [Ne] 3s\u00b9<\/li>\n<\/ul>\n\n\n\n<p>Sodium has <strong>one electron in its outer shell<\/strong>, making it highly reactive. When it reacts with water, it produces <strong>hydrogen gas and heat<\/strong>, often causing it to catch fire! \ud83d\udd25\ud83d\udca7<\/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>Sodium is most commonly found in the form of <strong>sodium chloride (NaCl)<\/strong> \u2014 which is <strong>table salt<\/strong>. \ud83e\uddc2<br>It plays an essential role in the human body, helping with <strong>nerve function and fluid balance<\/strong>.<\/p>\n\n\n\n<p>Even though sodium metal is dangerous, <strong>sodium ions (Na\u207a)<\/strong> are safe and important for our health.<\/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>Sodium was the <strong>first element isolated by electrolysis<\/strong> from molten salt. \u26a1<\/li>\n\n\n\n<li>It\u2019s <strong>so soft you can cut it with a knife<\/strong>, but it must be stored in oil to stop it from reacting with air.<\/li>\n\n\n\n<li>Sodium is <strong>highly flammable<\/strong> and can explode if mixed with water under the right conditions. \ud83d\udca5<\/li>\n\n\n\n<li>It gives a <strong>bright yellow flame<\/strong> when burned \u2014 used in street lamps and flame tests. \ud83c\udf15<\/li>\n\n\n\n<li>The <strong>\u201cNa\u201d symbol<\/strong> comes from the Latin word <em>\u201cNatrium\u201d<\/em>, an old name for sodium compounds.<\/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>Table Salt<\/strong>: Combined with chlorine to make <strong>NaCl<\/strong>, essential for food and health. \ud83c\udf7d\ufe0f<\/li>\n\n\n\n<li><strong>Street Lighting<\/strong>: Sodium vapor lamps produce <strong>bright yellow light<\/strong> often used in roads. \ud83d\udea6<\/li>\n\n\n\n<li><strong>Chemical Industry<\/strong>: Used in making <strong>glass, paper, soap, and textiles<\/strong>.<\/li>\n\n\n\n<li><strong>Metallurgy<\/strong>: Used in extracting other metals and purifying molten metals.<\/li>\n\n\n\n<li><strong>Coolant<\/strong>: Liquid sodium is used in some <strong>nuclear reactors<\/strong> due to its heat-conducting properties. \u2699\ufe0f<\/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>Sodium is a <strong>powerful and essential element<\/strong> \u2014 explosive as a pure metal but safe and vital in its common forms like salt. It keeps our bodies working properly and lights up our streets at night. For students, sodium shows the exciting balance between <strong>chemistry in nature and chemistry in the lab<\/strong>. \u2696\ufe0f\ud83e\udde0<\/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 Sodium is a highly reactive metal and one of the alkali metals, which &hellip; <a title=\"Sodium (Na)\" class=\"hm-read-more\" href=\"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/sodium-na\/\"><span class=\"screen-reader-text\">Sodium (Na)<\/span>Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":2750,"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-2403","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\/109.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\/2403","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=2403"}],"version-history":[{"count":1,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2403\/revisions"}],"predecessor-version":[{"id":2433,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2403\/revisions\/2433"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media\/2750"}],"wp:attachment":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media?parent=2403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/categories?post=2403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/tags?post=2403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}