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A great video lecture conducted by experienced chemistry teacher on 9th class chemistry chapter 3 topic atomic size and atomic radius. Get full understanding or ask any questions.

Atomic Size and Atomic Radius, ch 3, lec 3.2, Atomic Size and Atomic Radius - 9th Class Chemistry

13:50

Groups, ch 3, lec 3.2, Atomic Size and Atomic Radius - 9th Class Chemistry

29:22

Atomic size, ch 3, lec 3.2, Atomic Size and Atomic Radius - 9th Class Chemistry

31:52