{"id":2380,"date":"2025-06-27T11:39:23","date_gmt":"2025-06-27T06:09:23","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2380"},"modified":"2025-06-29T16:44:55","modified_gmt":"2025-06-29T11:14:55","slug":"hydrogen-h","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/hydrogen-h\/","title":{"rendered":"Hydrogen H"},"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>: Hydrogen<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Henry Cavendish<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: 1766<\/li>\n\n\n\n<li><strong>Category<\/strong>: Non-metal<\/li>\n\n\n\n<li><strong>Group<\/strong>: 1 (Although it\u2019s unique and sometimes placed separately)<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Gas \ud83d\udca8<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Hydrogen is the <strong>first and lightest element<\/strong> in the periodic table. It plays a key role in chemistry, the universe, and life itself.<\/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>: H<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 1<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~1.008 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: 1<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: 1s\u00b9<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Hydrogen has just <strong>one proton and one electron<\/strong>, making it the simplest atom. Despite its simplicity, it forms bonds with many elements and is found in countless compounds, including water (H\u2082O).<\/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 class=\"wp-block-paragraph\">Hydrogen is <strong>odorless, colorless, and tasteless<\/strong>. It is also highly flammable. It makes up about <strong>75% of the universe\u2019s mass<\/strong>, mostly found in stars like the Sun \u2600\ufe0f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Though it&#8217;s very light, hydrogen is extremely powerful when used as a fuel or energy source. On Earth, it\u2019s usually found in compounds, not as a free gas.<\/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>Hydrogen is the <strong>most abundant element<\/strong> in the universe. \ud83c\udf0c<\/li>\n\n\n\n<li>It was once called <strong>&#8220;inflammable air&#8221;<\/strong> because it catches fire easily.<\/li>\n\n\n\n<li>The Sun and most stars run on <strong>hydrogen fusion<\/strong>, which releases massive energy.<\/li>\n\n\n\n<li>Hydrogen gas was used in early airships like the <strong>Hindenburg<\/strong>, which tragically exploded due to its flammability.<\/li>\n\n\n\n<li>It&#8217;s a major part of water (H\u2082O), essential for all life forms.<\/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>Fuel Cells<\/strong>: Hydrogen is used as a clean fuel in hydrogen-powered vehicles. \ud83d\ude97<\/li>\n\n\n\n<li><strong>Rocket Propellant<\/strong>: Liquid hydrogen is used to launch rockets into space. \ud83d\ude80<\/li>\n\n\n\n<li><strong>Chemical Industry<\/strong>: Used to produce ammonia (NH\u2083) and methanol.<\/li>\n\n\n\n<li><strong>Food Industry<\/strong>: Hydrogenation of oils to make margarine and other products.<\/li>\n\n\n\n<li><strong>Electronics<\/strong>: Used in certain semiconductor processes.<\/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 class=\"wp-block-paragraph\">Hydrogen is a tiny but mighty element. It\u2019s the building block of the universe and a possible key to a cleaner, greener future \ud83c\udf0d. For students, it\u2019s a great starting point to understand atoms, energy, and chemical reactions. For everyone else, it&#8217;s a reminder that even the smallest things can have the biggest impact!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udd39 Basic Information Hydrogen is the first and lightest element in the periodic table. It plays a key role in chemistry, the universe, and life itself. \ud83d\udd38 Chemical Properties Hydrogen has just one proton and one electron, making it the simplest atom. Despite its simplicity, it forms bonds with many elements and is found in&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2760,"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-2380","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":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\ud83d\udd39 Basic Information Element Name: Hydrogen Discovered By: Henry Cavendish Year of Discovery: 1766 Category: Non-metal Group: 1 (Although it\u2019s unique and sometimes placed separately) State at Room Temperature: Gas \ud83d\udca8 Hydrogen is the first and lightest element in the periodic table. 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