CBSE Class 9
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Science
Matter - Nature & Behaviour
Lesson 2 of 7 • 6 upvotes • 9:10mins
This lesson consist Dalton's postulates and definition of ions their types and polyatomic ions.
7 lessons • 1h 2m
Atoms Molecules and Atomicity (in Hindi)
9:26mins
Atoms and Molecules (in Hindi)
9:10mins
Molecular Mass (in Hindi)
9:03mins
Mole Concept (in Hindi)
8:58mins
Numericals (in Hindi)
7:51mins
Structure of the atom
9:00mins
Valency
9:17mins