{"id":3188,"date":"2023-01-09T10:08:02","date_gmt":"2023-01-09T10:08:02","guid":{"rendered":"https:\/\/10thclass.deltapublications.in\/?page_id=3188"},"modified":"2024-12-25T16:58:44","modified_gmt":"2024-12-25T16:58:44","slug":"s-5-c-making-order-out-of-chaos-the-modern-periodic-table","status":"publish","type":"page","link":"https:\/\/10thclass.deltapublications.in\/index.php\/s-5-c-making-order-out-of-chaos-the-modern-periodic-table\/","title":{"rendered":"s-5.c Making Order Out Of Chaos-The Modern Periodic Table"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Making Order Out Of Chaos-The Modern Periodic Table<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-huge-font-size\" style=\"color:#74008b\"><strong>Key Notes:<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-5fdc6f54f07e413abfb4828d1b5e36fc\" style=\"color:#000060;background-color:#dfc816\"><strong>Introduction to the Periodic Table<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>The periodic table organizes elements based on their properties and atomic structure.<\/li>\n\n\n\n<li>Initially chaotic, the modern periodic table brought order by arranging elements systematically.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-81-3-1024x640.png\" alt=\"\" class=\"wp-image-15594\" style=\"width:396px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-81-3-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-81-3-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-81-3-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-81-3-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-81-3-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-81-3.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-5036a1f9711d63a9a96aa9639eca0c83\" style=\"color:#000060;background-color:#dfc816\"><strong>Historical Development<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Dobereiner\u2019s Triads<\/strong>: Grouped elements into triads with similar properties (e.g., Li, Na, K).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-85-1024x640.png\" alt=\"\" class=\"wp-image-15603\" style=\"width:360px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-85-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-85-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-85-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-85-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-85-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-85.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Newlands&#8217; Law of Octaves<\/strong>: Noted that every eighth element had similar properties.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-84-3-1024x640.png\" alt=\"\" class=\"wp-image-15602\" style=\"width:312px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-84-3-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-84-3-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-84-3-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-84-3-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-84-3-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-84-3.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Mendeleev\u2019s Periodic Table<\/strong>: Organized elements by increasing atomic mass, leaving gaps for undiscovered elements.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-86-1024x640.png\" alt=\"\" class=\"wp-image-15604\" style=\"width:380px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-86-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-86-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-86-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-86-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-86-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-86.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Moseley\u2019s Contribution<\/strong>: Rearranged elements by increasing atomic number, resolving inconsistencies in Mendeleev\u2019s table.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-b7e4e789e4de48c868f27323acc5bb02\" style=\"color:#000060;background-color:#dfc816\"><strong>Structure of the Modern Periodic Table<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Elements are arranged in <strong>increasing atomic number<\/strong>.<\/li>\n\n\n\n<li><strong>Periods<\/strong>: Horizontal rows (7 in total), indicating the number of energy shells.<\/li>\n\n\n\n<li><strong>Groups<\/strong>: Vertical columns (18 in total), with elements having similar valence electron configurations.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-82-1-1024x640.png\" alt=\"\" class=\"wp-image-15597\" style=\"width:354px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-82-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-82-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-82-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-82-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-82-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-82-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-089b1b4a37893f0bd41c6430672d8961\" style=\"color:#000060;background-color:#dfc816\"><strong>Periodic Trends<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Atomic Size<\/strong>: Decreases across a period (due to increased nuclear charge) and increases down a group (due to additional energy levels).<\/li>\n\n\n\n<li><strong>Ionization Energy<\/strong>: Increases across a period and decreases down a group.<\/li>\n\n\n\n<li><strong>Electronegativity<\/strong>: Increases across a period and decreases down a group.<\/li>\n\n\n\n<li><strong>Metallic Character<\/strong>: Decreases across a period and increases down a group.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-746bf134dd9fb24513dac2cd6525fdf8\" style=\"color:#000060;background-color:#dfc816\"><strong>Classification of Elements<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Metals<\/strong>: Found on the left and center; good conductors of heat and electricity.<\/li>\n\n\n\n<li><strong>Non-Metals<\/strong>: Found on the right; poor conductors.<\/li>\n\n\n\n<li><strong>Metalloids<\/strong>: Border metals and non-metals, exhibiting mixed properties.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-83-1024x640.png\" alt=\"\" class=\"wp-image-15598\" style=\"width:406px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-83-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-83-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-83-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-83-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-83-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/Untitled-design-83.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-f829b027b7388398b78aca1d6318c26c\" style=\"color:#000060;background-color:#dfc816\"><strong>Significance of the Modern Periodic Table<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Predicts properties of elements based on their position.<\/li>\n\n\n\n<li>Aids in understanding chemical reactions and bonding.<\/li>\n\n\n\n<li>Organizes elements for practical applications in science and technology.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-d9f84c51757ab6ac5afc01cc8e63c9da\" style=\"color:#000060;background-color:#dfc816\"><strong>Key Features<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Group numbers correlate with the number of valence electrons (for Groups 1-2 and 13-18).<\/li>\n\n\n\n<li>Period numbers indicate the highest energy level of electrons in an atom.<\/li>\n\n\n\n<li>Noble gases (Group 18) are inert due to a full valence shell.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-7ecf8101718d72ea27a0998c95e81148\" style=\"color:#000060;background-color:#dfc816\"><strong>Current Use<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Expands to include newly discovered elements (e.g., superheavy elements).<\/li>\n\n\n\n<li>Facilitates research in chemistry, physics, and material science.<\/li>\n<\/ul>\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 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\/76050\/761\/356\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-21.png\" alt=\"\" class=\"wp-image-5489\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-21.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-21-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-21-150x150.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\/81511\/726\/943\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-21.png\" alt=\"\" class=\"wp-image-5491\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-21.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-21-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-21-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Making Order Out Of Chaos-The Modern Periodic Table Key Notes: Introduction to the Periodic Table Historical Development Structure of the Modern Periodic Table Periodic Trends Classification of Elements Significance of the Modern Periodic Table Key Features Current Use 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-3188","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3188","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=3188"}],"version-history":[{"count":20,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3188\/revisions"}],"predecessor-version":[{"id":15605,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3188\/revisions\/15605"}],"wp:attachment":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}