Atoms Molecules and Ions MCQs Questions and Answers 2 PDF Download
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""O3" is a chemical formula of" Multiple Choice Questions (MCQs) on atoms molecules and ions with choices oxides, oxygen, ozone, and acid rain for online school classes. Free science study guide for online learning chemical formulae of molecular element and compound quiz questions for elementary school graduation certificate.
Atoms Molecules and Ions MCQs Quiz 2 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: The major part of an atom is
MCQ: Rutherford's Model explains that atom has a nucleus which is surrounded by
- nuclear energy