CBSE Class 9 Chemistry Basic Units of Matter
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Atom
This video explains ancient insights into the concept of atom. -
Molecule
This video explains the classification of molecules and atomicity. -
Atoms and Molecules - Exam Decoded - 1
This video contains questions on ancient insights into the concept of atom,
- what is atom
- are atoms so small
- what is molecular mass
- Why water is considered a compound? Mention two points
- What is the difference between Atoms and Molecules and Moles?
- What is variable valency?
- write the molecular formula of alluminium oxide
- what is independent existence
- what are atoms
- smallest atom
