Atoms Molecules and Ions Multiple Choice Quiz Questions 2 pdf Download

Practice science quiz 2 on atoms molecules and ions MCQs, grade 7 chemical formulae of molecular element and compound multiple choice questions. Free chemical formulae of molecular element and compound guide has science worksheet with answering options oxides, oxygen, ozone and acid rain of multiple choice questions (MCQ) with chemical formulae of molecular element and compound quiz as o3 is chemical formula of for exam prep. Study to learn chemical formulae of molecular element and compound quiz to attempt multiple choice questions based test.

MCQs on Atoms Molecules and Ions - Quiz 2

MCQ. O3 is 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. In a comparison with a gold atom and hydrogen atom, gold atom is

  1. smaller
  2. larger
  3. medium
  4. same

B

MCQ. Most part of an atom is

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

A

MCQ. Rutherford's Model explained that atom has a nucleus which is surrounded by

  1. protons
  2. electrons
  3. neutrons
  4. all of them

B