Atoms Molecules and Ions Multiple Choice Questions and Answers 7 PDF Download

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Science multiple choice questions (MCQ): in nucleus, mass of an atom is more than with options 0.9499, 0.9994, 0.9949 and 0.4999, chemical formulae of molecular element and compound quiz for online knowledge tests, online eLearning, midterm and final exam competitions. Free science study guide to learn chemical formulae of molecular element and compound quiz to attempt multiple choice questions based test.

MCQs on Atoms Molecules and Ions Worksheets 7 Quiz PDF Download

MCQ: In nucleus, mass of an atom is more than

  1. 0.9994
  2. 0.9499
  3. 0.9949
  4. 0.4999

A

MCQ: A theory of movement of electrons in a fixed orbit around nucleus was given by

  1. Thomson's Model
  2. Rutherford's Model
  3. Dalton's Model
  4. Bohr Model

D

MCQ: Two or more atoms chemically combined together form a

  1. atom
  2. molecule
  3. nucleus
  4. atomic number

B

MCQ: An electrically charged particle which is formed when an atom gains or loses electron is called

  1. ion
  2. charge
  3. formula
  4. neutron

A

MCQ: Number and types of atoms a molecule contain, are shown by its

  1. chemical formula
  2. molecular formula
  3. structural formula
  4. atomic formula

A