{"id":569108,"date":"2023-05-29T10:00:14","date_gmt":"2023-05-29T04:30:14","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=569108"},"modified":"2023-09-21T16:41:29","modified_gmt":"2023-09-21T11:11:29","slug":"aluminium-oxide","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/","title":{"rendered":"Aluminium Oxide\u00a0"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#Introduction_to_Aluminium_Oxide\" title=\"Introduction to Aluminium Oxide\">Introduction to Aluminium Oxide<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#Formula_and_Structure_of_Aluminium_Oxide\" title=\"Formula and Structure of Aluminium Oxide\">Formula and Structure of Aluminium Oxide<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#Physical_Properties_of_Aluminium_Oxide\" title=\"Physical Properties of Aluminium Oxide\">Physical Properties of Aluminium Oxide<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#Chemical_Properties_of_Aluminium_Oxide\" title=\"Chemical Properties of Aluminium Oxide\">Chemical Properties of Aluminium Oxide<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#Frequently_Asked_Questions_of_Aluminium_Oxide\" title=\"Frequently Asked Questions of Aluminium Oxide\">Frequently Asked Questions of Aluminium Oxide<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#What_is_aluminium_oxide_used_for\" title=\"What is aluminium oxide used for?\">What is aluminium oxide used for?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#What_is_Al2O3_called\" title=\"What is Al2O3 called?\">What is Al2O3 called?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#Why_is_the_formula_Al2O3\" title=\"Why is the formula Al2O3?\">Why is the formula Al2O3?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#What_is_aluminium_oxide_called\" title=\"What is aluminium oxide called?\">What is aluminium oxide called?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#What_are_the_physical_properties_of_alumina\" title=\"What are the physical properties of alumina?\">What are the physical properties of alumina?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#Is_aluminium_oxide_a_strong_acid\" title=\"Is aluminium oxide a strong acid?\">Is aluminium oxide a strong acid?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/infinitylearn.com\/surge\/aluminium-oxide\/#What_are_the_3_physical_properties_of_an_aluminum_can\" title=\"What are the 3 physical properties of an aluminum can?\">What are the 3 physical properties of an aluminum can?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction_to_Aluminium_Oxide\"><\/span>Introduction to Aluminium Oxide<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Aluminium oxide, also known as alumina, is a chemical compound with the formula Al\u2082O\u2083.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Formula_and_Structure_of_Aluminium_Oxide\"><\/span>Formula and Structure of Aluminium Oxide<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The chemical formula of aluminium oxide is Al\u2082O\u2083. It consists of two aluminium atoms (Al\u2082) and three oxygen atoms (O\u2083), arranged in a lattice structure.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-569136\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/05\/Screenshot-2023-05-29-at-10.00.01-300x181.png\" alt=\"\" width=\"300\" height=\"181\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/05\/Screenshot-2023-05-29-at-10.00.01-300x181.png?v=1685334609 300w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/05\/Screenshot-2023-05-29-at-10.00.01.png?v=1685334609 634w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Physical_Properties_of_Aluminium_Oxide\"><\/span>Physical Properties of Aluminium Oxide<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li><strong>Molecular Weight:<\/strong> The molecular weight of aluminium oxide is approximately 101.96 g\/mol.<\/li>\n<li><strong>State:<\/strong> Aluminium oxide exists as a solid at room temperature.<\/li>\n<li><strong>Appearance:<\/strong> It is a white or off-white powder or granular material.<\/li>\n<li><strong>Melting Point:<\/strong> Aluminium oxide has a high melting point of around 2,072\u00b0C (3,762\u00b0F).<\/li>\n<li><strong>Density:<\/strong> The density of aluminium oxide ranges from 3.95 to 4.1 g\/cm\u00b3, depending on its crystal structure.<\/li>\n<li><strong>Insolubility:<\/strong> Aluminium oxide is insoluble in water and most organic solvents.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Properties_of_Aluminium_Oxide\"><\/span>Chemical Properties of Aluminium Oxide<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li><strong>Refractory Nature:<\/strong> Aluminium oxide is a refractory material, meaning it has a high resistance to heat and can withstand extremely high temperatures.<\/li>\n<li><strong>Corrosion Resistance:<\/strong> Aluminium oxide is highly corrosion-resistant, making it useful for applications in which exposure to harsh environments or chemicals is expected.<\/li>\n<li><strong>Insulating Properties:<\/strong> Aluminium oxide is an electrical insulator, meaning it does not conduct electricity.<\/li>\n<li><strong>Acid-Base Reactivity:<\/strong> Aluminium oxide can react with both acids and bases. It reacts with acids to form salts and water. However, it is less reactive compared to other metal oxides. Example: Al\u2082O\u2083 + 6HCl \u2192 2AlCl\u2083 + 3H\u2082O<\/li>\n<li><strong>Catalyst Support:<\/strong> Aluminium oxide is commonly used as a catalyst support material, providing a stable structure for catalysts in various chemical reactions.<\/li>\n<li><strong>Abrasive Properties:<\/strong> Aluminium oxide is widely used as an abrasive material in applications such as sandpaper, grinding wheels, and polishing compounds due to its hardness and durability.<\/li>\n<\/ol>\n<p>Aluminium oxide has numerous industrial applications, including in the production of metals, ceramics, refractories, abrasives, electrical insulators, and catalysts.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_of_Aluminium_Oxide\"><\/span>Frequently Asked Questions of Aluminium Oxide<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_aluminium_oxide_used_for\"><\/span>What is aluminium oxide used for?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAluminium oxide is used in many things, like making ceramics, polishing materials, and even as an ingredient in some medicines.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_Al2O3_called\"><\/span>What is Al2O3 called?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAl2O3 is called aluminium oxide, and it's a compound made of aluminum and oxygen.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Why_is_the_formula_Al2O3\"><\/span>Why is the formula Al2O3?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tThe formula Al2O3 shows that there are two atoms of aluminum and three atoms of oxygen in each molecule of aluminium oxide.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_aluminium_oxide_called\"><\/span>What is aluminium oxide called?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAluminium oxide is also known as alumina.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_the_physical_properties_of_alumina\"><\/span>What are the physical properties of alumina?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAlumina is hard, has a high melting point, and is a good electrical insulator.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Is_aluminium_oxide_a_strong_acid\"><\/span>Is aluminium oxide a strong acid?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tNo, aluminium oxide is not a strong acid. It's actually a type of compound called an oxide\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_the_3_physical_properties_of_an_aluminum_can\"><\/span>What are the 3 physical properties of an aluminum can?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAn aluminum can is lightweight, durable, and doesn't rust easily.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is aluminium oxide used for?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Aluminium oxide is used in many things, like making ceramics, polishing materials, and even as an ingredient in some medicines.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is Al2O3 called?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Al2O3 is called aluminium oxide, and it's a compound made of aluminum and oxygen.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Why is the formula Al2O3?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"The formula Al2O3 shows that there are two atoms of aluminum and three atoms of oxygen in each molecule of aluminium oxide.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is aluminium oxide called?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Aluminium oxide is also known as alumina.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are the physical properties of alumina?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Alumina is hard, has a high melting point, and is a good electrical insulator.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Is aluminium oxide a strong acid?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"No, aluminium oxide is not a strong acid. It's actually a type of compound called an oxide\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are the 3 physical properties of an aluminum can?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"An aluminum can is lightweight, durable, and doesn't rust easily.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Introduction to Aluminium Oxide Aluminium oxide, also known as alumina, is a chemical compound with the formula Al\u2082O\u2083. Formula and [&hellip;]<\/p>\n","protected":false},"author":43,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Aluminium Oxide","_yoast_wpseo_title":"Aluminium Oxide\u00a0- Definition, Chemical and Physical Properties","_yoast_wpseo_metadesc":"Aluminium Oxide is a compound of aluminum and oxygen, commonly known as alumina, used in ceramics, polishing, and medicine.","custom_permalink":""},"categories":[12],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Aluminium Oxide\u00a0- Definition, Chemical and Physical Properties<\/title>\n<meta name=\"description\" content=\"Aluminium Oxide is a compound of aluminum and oxygen, commonly known as alumina, used in ceramics, polishing, and medicine.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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