Atoms Molecules and Ions Multiple Choice Questions and Answers 2 PDF Download

Learn atoms molecules and ions multiple choice questions, grade 7 science online test 2 for elementary school degree online courses, distance learning for exam prep. Practice chemical formulae of molecular element and compound multiple choice questions (MCQs), atoms molecules and ions quiz questions and answers for science class for science help for online contests.

Study elementary school science multiple choice questions (MCQs): "o3" is a chemical formula of, for free online courses with choices oxides, oxygen, ozone, and acid rain, chemical formulae of molecular element and compound quiz with online competency based interview questions and answers to answer during teachers jobs' tests. Free science study guide for online learning chemical formulae of molecular element and compound quiz questions to attempt multiple choice questions based test.

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


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

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


MCQ: As compare to hydrogen atom, helium atom is

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


MCQ: Major part of an atom is

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


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

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