{"id":2397,"date":"2025-06-27T14:11:53","date_gmt":"2025-06-27T08:41:53","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2397"},"modified":"2025-06-29T16:44:54","modified_gmt":"2025-06-29T11:14:54","slug":"aluminum-al","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/aluminum-al\/","title":{"rendered":"Aluminum (Al)"},"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>: Aluminium <em>(also spelled &#8220;aluminum&#8221; in American English)<\/em><\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Hans Christian \u00d8rsted<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: 1825<\/li>\n\n\n\n<li><strong>Category<\/strong>: Post-transition metal<\/li>\n\n\n\n<li><strong>Group<\/strong>: 13 (Group IIIA \u2013 Boron group)<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Solid (silvery-white, lightweight metal) \ud83e\ude99<\/li>\n<\/ul>\n\n\n\n<p>Aluminium is a <strong>lightweight, strong, and corrosion-resistant metal<\/strong> found widely in nature. It\u2019s the <strong>most abundant metal<\/strong> in the Earth\u2019s crust and plays a huge role in construction, packaging, transport, and more.<\/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>: Al<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 13<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~26.98 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: 3<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: [Ne] 3s\u00b2 3p\u00b9<\/li>\n<\/ul>\n\n\n\n<p>Aluminium is a <strong>highly reactive metal<\/strong>, but it doesn&#8217;t corrode easily because it forms a <strong>thin, protective oxide layer<\/strong> when exposed to air. It often forms compounds like <strong>aluminium oxide (Al\u2082O\u2083)<\/strong> and <strong>aluminium chloride (AlCl\u2083).<\/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>Aluminium is <strong>light, durable, and flexible<\/strong>, which is why it\u2019s used in everything from <strong>airplanes to soda cans<\/strong>. \u2708\ufe0f\ud83e\udd6b<\/p>\n\n\n\n<p>Though it&#8217;s very reactive, <strong>pure aluminium is rarely found in nature<\/strong>. Instead, it\u2019s extracted from <strong>bauxite ore<\/strong> through a process called <strong>electrolysis<\/strong> \u2014 which made it expensive in the past, but now it\u2019s widely available and recyclable.<\/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>Aluminium was once considered <strong>more valuable than gold<\/strong> due to how hard it was to extract. \ud83e\ude99<\/li>\n\n\n\n<li>The top of the <strong>Washington Monument<\/strong> is made of aluminium \u2014 it was a rare status symbol in the 1800s!<\/li>\n\n\n\n<li>It\u2019s <strong>100% recyclable<\/strong> without losing its quality \u2014 over <strong>75% of all aluminium ever produced is still in use today.<\/strong> \u267b\ufe0f<\/li>\n\n\n\n<li>It\u2019s <strong>non-toxic and non-magnetic<\/strong>, which makes it useful in many sensitive industries.<\/li>\n\n\n\n<li>Aluminium reflects light and heat, making it ideal for <strong>foil and insulation materials<\/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>Transportation<\/strong>: Used in <strong>cars, planes, bicycles, trains<\/strong>, and boats because it\u2019s light and strong. \ud83d\ude97\ud83d\udeb4<\/li>\n\n\n\n<li><strong>Packaging<\/strong>: Found in <strong>cans, foil, and food wrappers<\/strong>. \ud83e\udd6b<\/li>\n\n\n\n<li><strong>Construction<\/strong>: Used in <strong>windows, doors, roofing, and bridges<\/strong>. \ud83c\udfd7\ufe0f<\/li>\n\n\n\n<li><strong>Electronics<\/strong>: Used in <strong>smartphones, laptops, and wires<\/strong> due to its excellent conductivity. \ud83d\udcbb\ud83d\udd0c<\/li>\n\n\n\n<li><strong>Kitchenware<\/strong>: Found in pots, pans, and baking trays due to its heat resistance.<\/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>Aluminium is a <strong>modern marvel<\/strong> \u2014 strong yet light, common yet valuable. From the foil in your kitchen to the wings of airplanes, aluminium plays a vital role in everyday life and modern engineering. For students, it\u2019s a prime example of how <strong>chemistry meets industry<\/strong> to create solutions that are sustainable, practical, and powerful. \u2699\ufe0f\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 Aluminium is a lightweight, strong, and corrosion-resistant metal found widely in nature. It\u2019s &hellip; <a title=\"Aluminum (Al)\" class=\"hm-read-more\" href=\"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/aluminum-al\/\"><span class=\"screen-reader-text\">Aluminum (Al)<\/span>Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":2748,"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-2397","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\/107.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\/2397","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=2397"}],"version-history":[{"count":1,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2397\/revisions"}],"predecessor-version":[{"id":2436,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2397\/revisions\/2436"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media\/2748"}],"wp:attachment":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media?parent=2397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/categories?post=2397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/tags?post=2397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}