{"id":2439,"date":"2025-06-27T14:57:57","date_gmt":"2025-06-27T09:27:57","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2439"},"modified":"2025-06-29T16:44:53","modified_gmt":"2025-06-29T11:14:53","slug":"nickel-ni","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/nickel-ni\/","title":{"rendered":"Nickel (Ni)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\ud83d\udd39 Basic Information<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Element Name<\/strong>: Nickel<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Axel Fredrik Cronstedt<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: 1751<\/li>\n\n\n\n<li><strong>Category<\/strong>: Transition Metal<\/li>\n\n\n\n<li><strong>Group<\/strong>: 10 (Group VIIIB \u2013 Transition Metals)<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Solid (silvery-white metal) \u2699\ufe0f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nickel is a <strong>strong, shiny, silver-white metal<\/strong> known for being <strong>resistant to rust and corrosion<\/strong>. It\u2019s widely used in <strong>coins, batteries, and stainless steel<\/strong> \u2014 and it&#8217;s also important in your smartphone and kitchen! \ud83d\udcf1\ud83c\udf74<\/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>: Ni<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 28<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~58.69 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: 2 (can also show +1 to +4 in compounds)<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: [Ar] 3d\u2078 4s\u00b2<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nickel forms <strong>complex compounds<\/strong>, and it&#8217;s known for being <strong>magnetic<\/strong> in some forms. It slowly reacts with oxygen to form a thin protective oxide layer that prevents rust.<\/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\">Nickel got its name from the German word <strong>\u201ckupfernickel,\u201d<\/strong> which means <strong>&#8220;devil\u2019s copper&#8221;<\/strong> \u2014 because miners thought it was worthless copper ore. But it turned out to be a <strong>valuable element<\/strong> on its own!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is found in minerals like <strong>pentlandite<\/strong> and <strong>laterite ores<\/strong>, and also in <strong>meteorites<\/strong>! \u2604\ufe0f<\/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>Nickel is <strong>magnetic<\/strong>, just like iron and cobalt \u2014 it&#8217;s one of only three magnetic elements. \ud83e\uddf2<\/li>\n\n\n\n<li>It\u2019s used to make <strong>stainless steel<\/strong>, which doesn\u2019t rust and is used in kitchens and buildings. \ud83e\udd44\ud83c\udfd7\ufe0f<\/li>\n\n\n\n<li><strong>Modern coins<\/strong>, like the U.S. nickel, contain <strong>only about 25% nickel<\/strong> (the rest is copper). \ud83e\ude99<\/li>\n\n\n\n<li>Nickel is essential for <strong>some enzymes in plants and animals<\/strong>, though we need only trace amounts. \ud83c\udf31<\/li>\n\n\n\n<li>The Earth&#8217;s <strong>core is believed to contain large amounts of nickel<\/strong> along with iron. \ud83c\udf0d<\/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>Stainless Steel<\/strong>: Nickel is mixed with iron and chromium to make <strong>rust-resistant steel<\/strong>. \ud83e\uddfc<\/li>\n\n\n\n<li><strong>Coins<\/strong>: Used in <strong>many national currencies<\/strong>, including U.S., Canadian, and Euro coins. \ud83d\udcb0<\/li>\n\n\n\n<li><strong>Rechargeable Batteries<\/strong>: Found in <strong>nickel-cadmium (Ni-Cd)<\/strong> and <strong>nickel-metal hydride (NiMH)<\/strong> batteries. \ud83d\udd0b<\/li>\n\n\n\n<li><strong>Plating &amp; Coating<\/strong>: Used to <strong>coat other metals<\/strong> for protection and shine. \ud83e\ude9e<\/li>\n\n\n\n<li><strong>Electronics<\/strong>: Used in <strong>circuits, wires, and components<\/strong> due to its conductivity and stability. \ud83d\udcbb<\/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\">Nickel is a <strong>tough, versatile, and corrosion-resistant metal<\/strong> that plays a huge role in <strong>everyday tools, technology, and industry<\/strong>. From kitchen appliances to coin pockets, nickel is <strong>everywhere<\/strong>, making life stronger and shinier. For students, it\u2019s a great example of how one metal can do <strong>so much in the modern world<\/strong>. \ud83d\udd2c\ud83d\udee0\ufe0f<\/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 Nickel is a strong, shiny, silver-white metal known for being resistant to rust and corrosion. It\u2019s widely used in coins, batteries, and stainless steel \u2014 and it&#8217;s also important in your smartphone and kitchen! \ud83d\udcf1\ud83c\udf74 \ud83d\udd38 Chemical Properties Nickel forms complex compounds, and it&#8217;s known for being magnetic in some forms. It&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2792,"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-2439","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: Nickel Discovered By: Axel Fredrik Cronstedt Year of Discovery: 1751 Category: Transition Metal Group: 10 (Group VIIIB \u2013 Transition Metals) State at Room Temperature: Solid (silvery-white metal) \u2699\ufe0f Nickel is a strong, shiny, silver-white metal known for being resistant to rust and corrosion. 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