{"id":149630,"date":"2022-03-21T10:34:30","date_gmt":"2022-03-21T05:04:30","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/an-introduction-to-atomic-number-isotopes-and-isobars\/"},"modified":"2022-04-02T22:11:45","modified_gmt":"2022-04-02T16:41:45","slug":"an-introduction-to-atomic-number-isotopes-and-isobars","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/chemistry\/an-introduction-to-atomic-number-isotopes-and-isobars\/","title":{"rendered":"An Introduction to Atomic Number, Isotopes and Isobars"},"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\/chemistry\/an-introduction-to-atomic-number-isotopes-and-isobars\/#Atomic_Number_and_Mass_Number\" title=\"Atomic Number and Mass Number-:\">Atomic Number and Mass Number-:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/an-introduction-to-atomic-number-isotopes-and-isobars\/#Atomic_Number\" title=\"Atomic Number-:\">Atomic Number-:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/an-introduction-to-atomic-number-isotopes-and-isobars\/#Atomic_Mass_Number\" title=\"Atomic Mass Number-:\">Atomic Mass Number-:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/an-introduction-to-atomic-number-isotopes-and-isobars\/#Isotopes_and_Isobars\" title=\"Isotopes and Isobars-:\">Isotopes and Isobars-:<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Atomic_Number_and_Mass_Number\"><\/span>Atomic Number and Mass Number-:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The atomic number of an element is the number of protons in the nucleus of an atom of that element. The mass number of an element is the number of protons plus the number of neutrons in the nucleus of an atom of that element.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-149629 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/an-introduction-to-atomic-number-isotopes-and-isobars.jpg\" alt=\"\" width=\"606\" height=\"428\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/an-introduction-to-atomic-number-isotopes-and-isobars.jpg?v=1647839067 606w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/an-introduction-to-atomic-number-isotopes-and-isobars-300x212.jpg?v=1647839067 300w\" sizes=\"(max-width: 606px) 100vw, 606px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Atomic_Number\"><\/span>Atomic Number-:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The atomic number of an element is the number of protons in the nucleus of an atom of that element. The atomic mass of an element is the average mass of an atom of that element, measured in atomic mass units.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Atomic_Mass_Number\"><\/span>Atomic Mass Number-:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The atomic mass number (A) is the total number of protons and neutrons in an atom. It is also called the atomic weight.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Isotopes_and_Isobars\"><\/span>Isotopes and Isobars-:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Isotopes are atoms of the same element that have different numbers of neutrons in their nuclei. For example, both carbon-12 and carbon-14 are atoms of the element carbon, but carbon-12 has six neutrons in its nucleus, while carbon-14 has eight neutrons. Isobars are atoms of different elements that have the same number of protons in their nuclei. For example, both oxygen-16 and sulfur-32 are atoms of different elements, but they both have 16 protons in their nuclei.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Atomic Number and Mass Number-: The atomic number of an element is the number of protons in the nucleus of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"An Introduction to Atomic Number, Isotopes and Isobars","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Learn about An Introduction to Atomic Number, Isotopes and Isobars topic of Chemistry in details explained by subject experts on infinitylearn.com. 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