Question

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hey friends

plzz give some important questions related to chapter :atoms and molecules of class 9th.

Answer 1

It comes according to your syllabus but also some questions that I suggest you is
1 name subatomic particles with their charges
2 who introduced proton, neutron and electron
3 Difference between atom and molecules
4 Define nucleons
5 Difference between mass and atomic number
6 Define electronic configuration
7 Define valence electron
and so on.. according to your lesson