{"id":6289,"date":"2026-02-16T12:14:27","date_gmt":"2026-02-16T12:14:27","guid":{"rendered":"https:\/\/www.chennaineet.com\/blog\/?p=6289"},"modified":"2026-02-16T13:52:45","modified_gmt":"2026-02-16T13:52:45","slug":"some-basic-concepts-of-chemistry-ncert","status":"publish","type":"post","link":"https:\/\/www.chennaineet.com\/blog\/some-basic-concepts-of-chemistry-ncert\/","title":{"rendered":"NCERT Book for Class 11 Chemistry Part 1 \u2013 (Chapter 1 &#8211; Some Basic Concepts Of Chemistry)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>Chapter 1 &#8211; Some Basic Concepts Of Chemistry<\/strong><\/h2>\n\n\n\n<p>Chapter 1 \u2013 Some Basic Concepts of Chemistry introduces the fundamental ideas needed to understand the subject. It explains the nature of matter, laws of chemical combination, and Dalton\u2019s atomic theory. Students learn about elements, compounds, mixtures, and the basic principles that govern chemical reactions.<\/p>\n\n\n\n<p>A major focus of this chapter is the <strong>mole concept<\/strong> and <strong>stoichiometry<\/strong>, including molar mass, Avogadro\u2019s number, empirical and molecular formulas, and concentration terms like molarity. It also covers significant figures and dimensional analysis, which are essential for solving numerical problems in CBSE, NEET, and JEE exams. For students preparing seriously for NEET, <a href=\"https:\/\/www.chennaineet.com\/neet-crash-course\">Chennai NEET Academy<\/a> is considered one of the best institutes for quality <a href=\"https:\/\/www.kaashivinfotech.com\/blog\/which-online-platforms-provide-live-neet-coaching-classes-2026\/\" target=\"_blank\" rel=\"noopener\">NEET<\/a> coaching and strong conceptual training.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Some Basic Concepts Of Chemistry<\/strong> NCERT<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-1-786x1024.jpg\" alt=\"\" class=\"wp-image-6293\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-1-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-1-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-1-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-1-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-1-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-1-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-1.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-2-786x1024.jpg\" alt=\"\" class=\"wp-image-6294\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-2-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-2-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-2-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-2-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-2-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-2-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-2.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-3-786x1024.jpg\" alt=\"\" class=\"wp-image-6295\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-3-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-3-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-3-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-3-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-3-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-3-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-3.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-4-786x1024.jpg\" alt=\"\" class=\"wp-image-6296\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-4-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-4-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-4-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-4-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-4-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-4-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-4.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-5-786x1024.jpg\" alt=\"\" class=\"wp-image-6297\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-5-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-5-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-5-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-5-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-5-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-5-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-5.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-6-786x1024.jpg\" alt=\"\" class=\"wp-image-6298\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-6-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-6-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-6-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-6-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-6-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-6-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-6.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-7-786x1024.jpg\" alt=\"\" class=\"wp-image-6299\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-7-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-7-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-7-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-7-1179x1536.jpg 1179w, 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https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-8-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-8-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-8-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-8-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-8.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-9-786x1024.jpg\" alt=\"\" class=\"wp-image-6301\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-9-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-9-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-9-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-9-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-9-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-9-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-9.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-10-786x1024.jpg\" alt=\"\" class=\"wp-image-6302\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-10-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-10-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-10-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-10-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-10-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-10-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-10.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-11-786x1024.jpg\" alt=\"\" class=\"wp-image-6303\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-11-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-11-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-11-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-11-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-11-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-11-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-11.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-12-786x1024.jpg\" alt=\"\" class=\"wp-image-6304\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-12-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-12-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-12-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-12-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-12-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-12-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-12.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-13-786x1024.jpg\" alt=\"\" class=\"wp-image-6305\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-13-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-13-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-13-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-13-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-13-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-13-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-13.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-14-786x1024.jpg\" alt=\"\" class=\"wp-image-6306\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-14-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-14-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-14-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-14-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-14-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-14-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-14.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-15-786x1024.jpg\" alt=\"\" class=\"wp-image-6307\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-15-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-15-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-15-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-15-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-15-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-15-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-15.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-16-786x1024.jpg\" alt=\"\" class=\"wp-image-6308\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-16-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-16-230x300.jpg 230w, 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size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-26-786x1024.jpg\" alt=\"\" class=\"wp-image-6318\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-26-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-26-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-26-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-26-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-26-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-26-680x886.jpg 680w, 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https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-27-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-27-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-27.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"786\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-28-786x1024.jpg\" alt=\"\" class=\"wp-image-6320\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-28-786x1024.jpg 786w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-28-230x300.jpg 230w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-28-768x1000.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-28-1179x1536.jpg 1179w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-28-440x573.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-28-680x886.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Some-Basic-Concepts-Of-Chemistry-28.jpg 1312w\" sizes=\"(max-width: 786px) 100vw, 786px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.chennaineet.com\/blog\/chapter-2-structure-of-atom-ncert\/\">Chapter 2 &#8211; Structure Of Atom<\/a><\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Chapter 1 &#8211; Some Basic Concepts Of Chemistry Chapter 1 \u2013 Some Basic Concepts of Chemistry introduces the fundamental ideas needed to understand the subject. It explains the nature of matter, laws of chemical combination, and Dalton\u2019s atomic theory. Students learn about elements, compounds, mixtures, and the basic principles that govern chemical reactions. A major [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":6332,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[134,136],"tags":[437,439,435,434,438,441,436,440],"class_list":["post-6289","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ncert-book","category-neet-chemistry","tag-class-11-chemistry-part-1-pdf","tag-ncert-chemistry-class-11-part-1","tag-ncert-class-11-chemistry-chapter-1-pdf","tag-some-basic-concepts-of-chemistry-class-11-ncert-pdf","tag-some-basic-concepts-of-chemistry-class-11-pdf","tag-some-basic-concepts-of-chemistry-ncert-solutions-pdf","tag-some-basic-concepts-of-chemistry-notes-class-11-pdf","tag-some-basic-concepts-of-organic-chemistry-ncert-pdf"],"_links":{"self":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/6289","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=6289"}],"version-history":[{"count":2,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/6289\/revisions"}],"predecessor-version":[{"id":6395,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/6289\/revisions\/6395"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/media\/6332"}],"wp:attachment":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/media?parent=6289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/categories?post=6289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/tags?post=6289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}