{"id":2524,"date":"2025-06-27T15:12:15","date_gmt":"2025-06-27T09:42:15","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2524"},"modified":"2025-06-29T16:44:52","modified_gmt":"2025-06-29T11:14:52","slug":"indium-in","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/indium-in\/","title":{"rendered":"Indium (In)"},"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>: Indium<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Ferdinand Reich and Hieronymus Richter<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: 1863<\/li>\n\n\n\n<li><strong>Category<\/strong>: Post-transition Metal<\/li>\n\n\n\n<li><strong>Group<\/strong>: 13<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Solid (soft, silvery-white metal) \u2699\ufe0f<\/li>\n<\/ul>\n\n\n\n<p>Indium is a <strong>rare, soft metal<\/strong> that\u2019s flexible and can be easily shaped.<\/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>: In<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 49<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~114.82 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: +3<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: [Kr] 4d\u00b9\u2070 5s\u00b2 5p\u00b9<\/li>\n<\/ul>\n\n\n\n<p>Indium is stable in air and resists corrosion, making it useful in electronics.<\/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>Indium\u2019s name comes from the <strong>indigo blue color<\/strong> seen in its spectrum during discovery. It\u2019s often obtained as a byproduct of zinc ore processing.<\/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>Indium is so soft that it can be cut with a knife. \ud83d\udd2a<\/li>\n\n\n\n<li>It sticks well to glass and other surfaces, making it great for <strong>special coatings<\/strong>.<\/li>\n\n\n\n<li>Indium tin oxide (ITO) is a key material used in <strong>touchscreens, flat-panel displays, and solar cells<\/strong>. \ud83d\udcf1\u2600\ufe0f<\/li>\n\n\n\n<li>It melts at a low temperature (~157\u00b0C), so it\u2019s used in solders and fusible alloys.<\/li>\n\n\n\n<li>Despite being rare, indium\u2019s modern technology uses have made it more important.<\/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>Electronics<\/strong>: Used in <strong>touchscreens, LCDs, and solar panels<\/strong> through indium tin oxide coatings. \ud83d\udcf1\ud83d\udda5\ufe0f<\/li>\n\n\n\n<li><strong>Solders and Alloys<\/strong>: Used in low-melting solders for electronics and specialized alloys. \ud83d\udd27<\/li>\n\n\n\n<li><strong>Coatings<\/strong>: Applied as a transparent conductive coating on glass.<\/li>\n\n\n\n<li><strong>Nuclear Reactors<\/strong>: Sometimes used in control rods for nuclear reactors. \u269b\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>Indium is a <strong>soft, rare metal<\/strong> that helps make our smartphones and TVs work better! For students, it\u2019s a great example of how even small amounts of special metals are vital in everyday technology. \ud83d\udd2c\ud83d\udcf1<\/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 Indium is a rare, soft metal that\u2019s flexible and can be easily shaped. &hellip; <a title=\"Indium (In)\" class=\"hm-read-more\" href=\"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/indium-in\/\"><span class=\"screen-reader-text\">Indium (In)<\/span>Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":2794,"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-2524","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\/35.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\/2524","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=2524"}],"version-history":[{"count":1,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2524\/revisions"}],"predecessor-version":[{"id":2537,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2524\/revisions\/2537"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media\/2794"}],"wp:attachment":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media?parent=2524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/categories?post=2524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/tags?post=2524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}