Atoms Molecules and Ions MCQs Questions and Answers 2 PDF Download

Atoms molecules and ions MCQs, atoms molecules and ions quiz answers pdf, test prep 2 to study grade 7 science for online certificate courses. Practice "chemical formulae of molecular element and compound" Multiple Choice Questions and Answers (MCQs), atoms molecules and ions quiz questions and answers for online school classes. Learn chemical formulae of molecular element and compound, what is atom test prep for online schools.

""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

  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: The 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