Atoms And Molecules FULL CHAPTER | Class 9th Science | Chapter 3 | Neev

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✨ Topics covered ✨

00:00 - Introduction
02:33 - History Of Atoms And Molecules
06:21 - Laws Of Chemical Combinations
07:13 - Law Of Conservation Of Mass
14:29 - Law Of Constant Proportions
18:28 - Dalton's Atomic Theory
25:22 - Drawbacks Of Dalton's Atomic Theory
28:48 - Atoms
34:59 - Dalton's Symbol Of Elements
36:59 - Modern Symbol Of Elements
46:59 - Atomic Mass An Elements
01:00:35 - How Do Atoms Exist ?
01:02:59 - Molecules
01:04:34 - Molecules Of An Element
01:04:53 - Atomicity
01:07:27 - Molecules Of A Compound
01:11:10 - Moleculer Mass
01:12:12 - Calculation Of Molecular Mass
01:17:00 - Formula Unit Mass
01:18:26 - Ions
01:29:11 - Why Do Atoms Combine
01:30:58 - Valency
01:33:02 - Writing Chemical Formulae
01:38:17 - Mole Concept
02:00:20 - Thank You !


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