Atoms Molecules and Ions Multiple Choice Questions and Answers 2 pdf eBooks Download

Learn atoms molecules and ions MCQs, grade 7 science test 2, chemical formulae of molecular element and compound multiple choice questions and answers. Chemical formulae of molecular element and compound revision test has science worksheets, answer key with choices as oxides, oxygen, ozone and acid rain of multiple choice questions (MCQ) with chemical formulae of molecular element and compound quiz as "o3" is a chemical formula of for competitive exam prep, viva interview questions. Free science study guide to practice chemical formulae of molecular element and compound quiz to attempt multiple choice questions based test.

MCQs on Atoms Molecules and Ions Quiz pdf Download Worksheets 2

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