{"id":149314,"date":"2022-03-21T10:13:26","date_gmt":"2022-03-21T04:43:26","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/atomic-size-and-atomic-radius-definition-measurement-and-atomic-size-trend\/"},"modified":"2022-04-01T19:13:00","modified_gmt":"2022-04-01T13:43:00","slug":"atomic-size-and-atomic-radius-definition-measurement-and-atomic-size-trend","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/chemistry\/atomic-size-and-atomic-radius\/","title":{"rendered":"Atomic Size and Atomic Radius \u2013 Definition, Measurement and Atomic Size Trend"},"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\/atomic-size-and-atomic-radius\/#Atomic_Radius_Trend\" title=\"Atomic Radius Trend ;\">Atomic Radius Trend ;<\/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\/atomic-size-and-atomic-radius\/#Atomic_Radius_Definition\" title=\"Atomic Radius Definition\">Atomic Radius Definition<\/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\/atomic-size-and-atomic-radius\/#Measurement_of_Atomic_Radius\" title=\"Measurement of Atomic Radius\">Measurement of Atomic Radius<\/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\/atomic-size-and-atomic-radius\/#Atomic_Size_Trend\" title=\"Atomic Size Trend\">Atomic Size Trend<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Atomic_Radius_Trend\"><\/span>Atomic Radius Trend ;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The atomic radius trend is that as you go down a group on the periodic table, the atomic radius decreases. This is because as you go down a group, the number of protons in the nucleus increases, and the number of electrons increases. The more protons in the nucleus, the more pull it has on the electrons, which makes the atom become smaller.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-149313 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/atomic-size-and-atomic-radius-definition-measurement-and-atomic-size-trend.jpg\" alt=\"\" width=\"606\" height=\"428\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/atomic-size-and-atomic-radius-definition-measurement-and-atomic-size-trend.jpg?v=1647837803 606w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/atomic-size-and-atomic-radius-definition-measurement-and-atomic-size-trend-300x212.jpg?v=1647837803 300w\" sizes=\"(max-width: 606px) 100vw, 606px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Atomic_Radius_Definition\"><\/span>Atomic Radius Definition<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>An atom is the smallest particle of an element that has the chemical properties of that element. The atom is made up of a nucleus, protons, neutrons, and electrons. The nucleus is made up of protons and neutrons. The number of protons in an atom determines what element it is. The number of electrons in an atom determine the atom&#8217;s chemical properties.<\/p>\n<p>The size of an atom is determined by its radius. The radius is the distance from the center of the atom to the outside edge of the atom. The radius of an atom can be measured with a microscope.<\/p>\n<p>The radius of an atom can be affected by the number of protons in the nucleus. The more protons in the nucleus, the bigger the atom. The radius of an atom can also be affected by the number of electrons in the atom. The more electrons in the atom, the smaller the atom.<\/p>\n<p>The radius of an atom can also be affected by the temperature of the atom. The higher the temperature, the bigger the atom. The lower the temperature, the smaller the atom.<\/p>\n<p>The radius of an atom can also be affected by the type of material the atom is in. The bigger the atom, the more it will repel other atoms in the material. The smaller the atom, the more it will be attracted to other atoms in the material.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Measurement_of_Atomic_Radius\"><\/span>Measurement of Atomic Radius<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Atomic radius is the measure of the size of an atom. It is determined by the distance between the nuclei of two atoms when they are in their most stable configuration. The atomic radius can be measured in either pm (picometers) or \u00c5ngstroms (10-10 meters).<\/p>\n<p>The atomic radius of an element can be influenced by a number of factors, including the number of protons in the nucleus (termed &#8220;atomic number&#8221;), the number of neutrons in the nucleus, the type of element (metallic or nonmetallic), and the state of the element (solid, liquid, or gas).<\/p>\n<p>The atomic radius of an element will generally be larger in the gaseous state than in the solid state, and larger for a metallic element than for a nonmetallic element. Additionally, the atomic radius of an element will be larger for an element with a higher atomic number (more protons in the nucleus) than for an element with a lower atomic number.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Atomic_Size_Trend\"><\/span>Atomic Size Trend<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The size of atoms decreases as one moves down a group on the periodic table. This is because the protons in the nucleus become more and more densely packed as one moves down a group.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Atomic Radius Trend ; The atomic radius trend is that as you go down a group on the periodic table, [&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":"Atomic Size and Atomic Radius \u2013 Definition, Measurement and Atomic Size Trend","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Learn about Atomic Size and Atomic Radius topic of Chemistry in details explained by subject experts on infinitylearn.com. 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