Atoms Molecules and Ions Multiple Choice Questions and Answers 6 PDF Download

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Science multiple choice questions (MCQ): diameter of a 'nucleus' is with options 1nm, 0.00001nm, 0.1nm and 0.01nm, what is atom quiz for online certificate courses preparation with online teachers certification, competitive exams. Free science study guide to learn what is atom quiz to attempt multiple choice questions based test.

MCQs on Atoms Molecules and Ions Quiz PDF Download Worksheets 6

MCQ: Diameter of a 'nucleus' is

  1. 0.00001nm
  2. 1nm
  3. 0.1nm
  4. 0.01nm


MCQ: Total number of protons in atom of each element is called its

  1. atomic number
  2. atomic mass
  3. molecular mass
  4. atomic scale


MCQ: Smallest particle of an atom which exists, is called

  1. matter
  2. atom
  3. proton
  4. electron


MCQ: Nucleus in an atom consists of

  1. protons
  2. neutrons
  3. electrons
  4. both a and b


MCQ: Molecules which contain fixed number of same type of atoms are molecules or

  1. elements
  2. compounds
  3. mixtures
  4. all of them