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5 Lessons

Atoms and Molecules

Focus on this chapter's key concepts. Dive into each topic for a detailed understanding with examples and structured notes.

Structure of the Atom: Electrons and nucleus

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1 of 5 Lessons

Valency and atomic number of common elements

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2 of 5 Lessons

Laws of chemical combination from the year 10th

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3 of 5 Lessons

Writing chemical formulas using valency method

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4 of 5 Lessons

Mole concept: Relationship between weight and count

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5 of 5 Lessons

Chemical Reactions

Atoms and Molecules - General Science (Chemistry) | Railway Group D