Atoms Molecules and Ions Multiple Choice Questions and Answers 2 PDF Download
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MCQs on Atoms Molecules and Ions Worksheets 2 Quiz PDF Download
MCQ: "O3" is a chemical formula of
- acid rain
MCQ: Ammonia molecule contains one nitrogen atom and three atoms of
MCQ: As compare to hydrogen atom, helium atom is
- very small
- very massive
- medium in mass fraction
- same in volume
MCQ: Major part of an atom is
MCQ: Rutherford's Model explains that atom has a nucleus which is surrounded by
- nuclear energy