Atoms and Atom Model Multiple Choice Questions Test 15 Tests pdf Download

Practice science test 15 on atoms and atom model MCQs, grade 7 uses of radioisotopes multiple choice questions and answers. Uses of radioisotopes revision test has science worksheets with answer key with choices as radiations, energy, light and waves of multiple choice questions (MCQ) with uses of radioisotopes quiz as each collision of uranium-238 with neutrons releases for competitive exam prep. Free science study guide to learn uses of radioisotopes quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model: Worksheets 15 Quiz pdf Download

MCQ. Each collision of Uranium-238 with neutrons releases

  1. energy
  2. radiations
  3. light
  4. waves

A

MCQ. Carbon is represented by

  1. C
  2. Na
  3. K
  4. Mg

A

MCQ. One molecule of water is made up of

  1. one oxygen and one hydrogen atom
  2. one oxygen and two hydrogen atoms
  3. two oxygen and one hydrogen atom
  4. two oxygen and hydrogen atoms

B

MCQ. Electrons fill energy levels starting from the

  1. lowest level
  2. highest level
  3. central level
  4. 2nd level

A

MCQ. Number of neutrons in carbon-14 is

  1. 7
  2. 8
  3. 9
  4. 14

B