Grade 7 English MCQs

Atoms and Atom Model Multiple Choice Questions Test 21 Tests pdf Download

Practice science test 21 on atoms and atom model MCQs, grade 7 atoms and elements multiple choice questions and answers. Atoms and elements revision test has science worksheets, answer key with choices as helium, hydrogen, lithium and magnesium of multiple choice questions (MCQ) with atoms and elements quiz as the smallest atom in periodic table yet found is that of for competitive exam prep. Free science study guide to learn atoms and elements quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model: Worksheets 21 Quiz pdf Download

MCQ. Smallest atom in periodic table yet found is that of

  1. hydrogen
  2. helium
  3. lithium
  4. magnesium

A

MCQ. Number of neutrons in carbon-13 is

  1. 5
  2. 6
  3. 7
  4. 13

C

MCQ. To multiply multiple elements with a number we use

  1. comma
  2. dot
  3. brackets
  4. cross

C

MCQ. Ionic chemical formula for magnesium is

  1. Mg-2
  2. Mg+2
  3. Mg-
  4. Mg+

B

MCQ. Nuclear batteries that produce small amount of current have

  1. longer life
  2. shorter life
  3. large size
  4. circular shape

A