Atoms Molecules and Ions Multiple Choice Questions 7 PDF Download

Learn atoms molecules and ions MCQs, grade 7 online science test 7, chemical formulae of molecular element and compound multiple choice questions and answers. Chemical formulae of molecular element and compound revision test has science worksheets, helping answer key with choices as 0.9499, 0.9994, 0.9949 and 0.4999 of multiple choice questions (MCQ) with chemical formulae of molecular element and compound quiz as in nucleus, mass of an atom is more than 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 7

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. The 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