{"id":7875,"date":"2026-03-10T10:01:45","date_gmt":"2026-03-10T10:01:45","guid":{"rendered":"https:\/\/www.chennaineet.com\/blog\/?p=7875"},"modified":"2026-03-17T09:12:13","modified_gmt":"2026-03-17T09:12:13","slug":"solid-state-class-12-ncert","status":"publish","type":"post","link":"https:\/\/www.chennaineet.com\/blog\/solid-state-class-12-ncert\/","title":{"rendered":"NCERT Book for Class 12 Chemistry Part 1 \u2013 (Chapter 1 \u2013 The Solid State)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Chapter 1 \u2013 The Solid State<\/h2>\n\n\n\n<p>The chapter <strong>The Solid State<\/strong> explains the structure and properties of solids at the atomic and molecular levels. It describes how particles are arranged in solids and differentiates between <strong>crystalline solids<\/strong> and <strong>amorphous solids<\/strong> based on their internal structure and physical properties. The chapter also introduces the concept of a <strong>unit cell and crystal lattice<\/strong>, which help explain how atoms or ions are arranged in a regular pattern.<\/p>\n\n\n\n<p>Students learn about <strong>types of unit cells, packing efficiency, coordination number, and close packing in crystals<\/strong>. The chapter also discusses defects in solids and their impact on properties such as electrical conductivity. Understanding these concepts is important for studying material properties and is highly relevant for <strong>Class 12 board exams and competitive exams like <a href=\"https:\/\/www.kaashivinfotech.com\/blog\/which-online-platforms-provide-live-neet-coaching-classes-2026\/\" target=\"_blank\" rel=\"noopener\">NEET<\/a> and JEE<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Solid state Class 12 NCERT<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-1-764x1024.jpg\" alt=\"\" class=\"wp-image-7878\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-1-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-1-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-1-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-1-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-1-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-1-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-1.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-2-764x1024.jpg\" alt=\"\" class=\"wp-image-7879\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-2-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-2-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-2-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-2-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-2-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-2-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-2.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-3-764x1024.jpg\" alt=\"\" class=\"wp-image-7880\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-3-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-3-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-3-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-3-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-3-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-3-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-3.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-4-764x1024.jpg\" alt=\"\" class=\"wp-image-7881\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-4-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-4-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-4-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-4-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-4-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-4-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-4.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-5-764x1024.jpg\" alt=\"\" class=\"wp-image-7882\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-5-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-5-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-5-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-5-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-5-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-5-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-5.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-6-764x1024.jpg\" alt=\"\" class=\"wp-image-7883\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-6-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-6-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-6-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-6-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-6-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-6-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-6.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-7-764x1024.jpg\" alt=\"\" class=\"wp-image-7884\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-7-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-7-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-7-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-7-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-7-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-7-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-7.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-8-764x1024.jpg\" alt=\"\" class=\"wp-image-7885\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-8-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-8-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-8-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-8-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-8-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-8-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-8.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-9-764x1024.jpg\" alt=\"\" class=\"wp-image-7886\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-9-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-9-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-9-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-9-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-9-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-9-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-9.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-10-764x1024.jpg\" alt=\"\" class=\"wp-image-7887\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-10-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-10-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-10-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-10-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-10-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-10-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-10.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-11-764x1024.jpg\" alt=\"\" class=\"wp-image-7888\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-11-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-11-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-11-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-11-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-11-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-11-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-11.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-12-764x1024.jpg\" alt=\"\" class=\"wp-image-7889\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-12-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-12-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-12-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-12-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-12-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-12-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-12.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-13-764x1024.jpg\" alt=\"\" class=\"wp-image-7890\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-13-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-13-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-13-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-13-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-13-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-13-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-13.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-14-764x1024.jpg\" alt=\"\" class=\"wp-image-7891\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-14-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-14-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-14-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-14-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-14-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-14-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-14.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-15-764x1024.jpg\" alt=\"\" class=\"wp-image-7892\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-15-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-15-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-15-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-15-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-15-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-15-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-15.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-16-764x1024.jpg\" alt=\"\" class=\"wp-image-7893\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-16-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-16-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-16-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-16-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-16-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-16-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-16.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-17-764x1024.jpg\" alt=\"\" class=\"wp-image-7894\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-17-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-17-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-17-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-17-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-17-440x590.jpg 440w, 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srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-22-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-22-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-22-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-22-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-22-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-22-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-22.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-23-764x1024.jpg\" alt=\"\" class=\"wp-image-7900\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-23-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-23-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-23-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-23-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-23-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-23-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-23.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img 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srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-31-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-31-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-31-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-31-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-31-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-31-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-31.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-32-764x1024.jpg\" alt=\"\" class=\"wp-image-7909\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-32-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-32-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-32-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-32-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-32-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-32-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-32.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-33-764x1024.jpg\" alt=\"\" class=\"wp-image-7910\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-33-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-33-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-33-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-33-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-33-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-33-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-33.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-34-764x1024.jpg\" alt=\"\" class=\"wp-image-7911\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-34-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-34-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-34-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-34-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-34-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-34-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/The-Solid-State-34.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.chennaineet.com\/blog\/solutions-class-12-chemistry-ncert\/\">Chapter 2 &#8211; Solutions<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chapter 1 \u2013 The Solid State The chapter The Solid State explains the structure and properties of solids at the atomic and molecular levels. It describes how particles are arranged in solids and differentiates between crystalline solids and amorphous solids based on their internal structure and physical properties. The chapter also introduces the concept of [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":7913,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[134,136],"tags":[1152,1147,1149,1146,1145,1148,1151,1150],"class_list":["post-7875","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ncert-book","category-neet-chemistry","tag-class-12-chemistry-chapter-1-pdf","tag-ncert-chemistry-class-12-part-1-pdf-coordination-compounds","tag-ncert-chemistry-class-12-part-2-pdf","tag-ncert-class-12-chemistry-textbook-pdf-part-1","tag-old-ncert-chemistry-class-12-pdf-part-1","tag-old-ncert-chemistry-class-12-pdf-part-2","tag-solid-state-class-12-ncert","tag-solid-state-ncert-pdf-class-12"],"_links":{"self":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/7875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/comments?post=7875"}],"version-history":[{"count":3,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/7875\/revisions"}],"predecessor-version":[{"id":7955,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/7875\/revisions\/7955"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/media\/7913"}],"wp:attachment":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/media?parent=7875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/categories?post=7875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/tags?post=7875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}