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

  1. oxygen
  2. oxides
  3. ozone
  4. acid rain

C

MCQ: Ammonia molecule contains one nitrogen atom and three atoms of

  1. hydrogen
  2. helium
  3. nitrogen
  4. carbon

A

MCQ: As compare to hydrogen atom, helium atom is

  1. very small
  2. very massive
  3. medium in mass fraction
  4. same in volume

B

MCQ: Major part of an atom is

  1. empty
  2. filled
  3. charged
  4. covered

A

MCQ: Rutherford's Model explains that atom has a nucleus which is surrounded by

  1. protons
  2. electrons
  3. neutrons
  4. nuclear energy

B