{"id":3544,"date":"2023-02-05T06:51:02","date_gmt":"2023-02-05T06:51:02","guid":{"rendered":"https:\/\/10thclass.deltapublications.in\/?page_id=3544"},"modified":"2024-12-18T15:06:03","modified_gmt":"2024-12-18T15:06:03","slug":"s-18-g-electronic-configuration","status":"publish","type":"page","link":"https:\/\/10thclass.deltapublications.in\/index.php\/s-18-g-electronic-configuration\/","title":{"rendered":"s-18.g Electronic Configuration"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Electronic Configuration<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-group has-large-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><strong>Electronic Configuration<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"408\" height=\"614\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/image-46.png\" alt=\"\" class=\"wp-image-6005\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/image-46.png 408w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/image-46-199x300.png 199w\" sizes=\"auto, (max-width: 408px) 100vw, 408px\" \/><\/figure>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-f79afd6ea8b322268468366b8e5f7cc7\" style=\"color:#74008b\"><strong>Key Notes:<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-text-color has-background has-link-color wp-elements-e654ec00c3dd5cc63782a68531c6ddad\" style=\"color:#000060;background-color:#dfc816\"><strong>Introduction<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Electronic Configuration<\/strong> refers to the arrangement of electrons in the <strong>orbitals<\/strong> of an atom.<\/li>\n\n\n\n<li>It follows specific rules and principles that govern the distribution of electrons in different energy levels, sublevels, and orbitals.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>Key Concepts<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Energy Levels (Shells)<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Represented by the <strong>Principal Quantum Number (nn)<\/strong>.<\/li>\n\n\n\n<li>Examples: n=1,2,3,\u2026<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Sublevels (Subshells)<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Each energy level has sublevels (s,p,d,f).<\/li>\n\n\n\n<li>Each sublevel has specific orbitals:\n<ul class=\"wp-block-list\">\n<li>s: 1 orbital (2 electrons).<\/li>\n\n\n\n<li>p: 3 orbitals (6 electrons).<\/li>\n\n\n\n<li>d: 5 orbitals (10 electrons).<\/li>\n\n\n\n<li>f: 7 orbitals (14 electrons).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Orbitals<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Regions around the nucleus where electrons are most likely found.<\/li>\n\n\n\n<li>Each orbital can hold <strong>2 electrons with opposite spins<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-text-color has-background has-link-color wp-elements-c53b135eef8d0aa400be3e9869879d07\" style=\"color:#000060;background-color:#dfc816\"> <strong>Rules for Writing Electronic Configuration<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Aufbau Principle<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Electrons fill orbitals in order of <strong>increasing energy<\/strong>.<\/li>\n\n\n\n<li>Energy order: 1s&lt;2s&lt;2p&lt;3s&lt;3p&lt;4s&lt;3d&lt;4p\u2026<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Pauli Exclusion Principle<\/strong>:\n<ul class=\"wp-block-list\">\n<li>No two electrons in an atom can have the same set of all four quantum numbers.<\/li>\n\n\n\n<li>Each orbital can hold a maximum of <strong>2 electrons<\/strong> with opposite spins.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Hund&#8217;s Rule<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Electrons occupy <strong>degenerate orbitals<\/strong> (orbitals of the same energy) singly first, before pairing.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>Notation<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Standard Notation<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Represented as nl\u207f\u1d58\u1d50\u1d47\u1d49\u02b3\u00a0\u1d52\u1da0\u00a0\u1d49\u02e1\u1d49\u1d9c\u1d57\u02b3\u1d52\u207f\u02e2.<\/li>\n\n\n\n<li>Example: 1s\u00b22s\u00b2\u20092p\u2076.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Orbital Diagram<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Uses arrows to show electron spins.<\/li>\n\n\n\n<li>Example:<br>1s\u2009\u2191\u2193,  2s\u2009\u2191\u2193, 2p\u2009\u2191\u2009\u2191\u2009\u2191<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#dfc816\"> <strong>Examples of Electronic Configurations<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Hydrogen (Z=1Z = 1)<\/strong>: 1s\u00b9.<\/li>\n\n\n\n<li><strong>Helium (Z=2Z = 2)<\/strong>: 1s\u00b2.<\/li>\n\n\n\n<li><strong>Carbon (Z=6Z = 6)<\/strong>: 1s\u00b2\u20092s\u00b2\u20092p\u00b2s<\/li>\n\n\n\n<li><strong>Neon (Z=10Z = 10)<\/strong>: 1s\u00b22s\u00b2\u20092p\u2076<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#dfc816\"> <strong>Electronic Configuration of Elements in the Periodic Table<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Groups<\/strong>: Elements in the same group have similar outermost configurations.\n<ul class=\"wp-block-list\">\n<li>Example: Group 1:<strong> ns\u00b9<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Periods<\/strong>: Elements in the same period have the same number of energy levels.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>Shortcut Notation (Noble Gas Configuration)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For elements with many electrons, configurations can be abbreviated using noble gases:\n<ul class=\"wp-block-list\">\n<li>Example: Sodium (<strong>Z=11<\/strong>): [Ne]\u20093s\u00b9.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#dfc816\"> <strong>Importance of Electronic Configuration<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Chemical Properties<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Determines reactivity, valency, and bonding.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Periodic Trends<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Explains trends like atomic size, ionization energy, and electronegativity.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Stability<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Atoms with fully filled or half-filled orbitals are more stable.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"has-text-color\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/83085\/448\/461\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-82.png\" alt=\"\" class=\"wp-image-5692\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-82.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-82-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-82-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/81518\/358\/542\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-81.png\" alt=\"\" class=\"wp-image-5693\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-81.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-81-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-81-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Electronic Configuration Electronic Configuration Key Notes: Introduction Key Concepts Rules for Writing Electronic Configuration Notation Examples of Electronic Configurations Electronic Configuration of Elements in the Periodic Table Shortcut Notation (Noble Gas Configuration) Importance of Electronic Configuration Let&#8217;s practice!<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3544","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3544"}],"version-history":[{"count":11,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3544\/revisions"}],"predecessor-version":[{"id":15420,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3544\/revisions\/15420"}],"wp:attachment":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}