Atoms and Atom Model Multiple Choice Questions 15 PDF Download

Practice atoms and atom model MCQs, grade 7 online science test 15, uses of radioisotopes multiple choice questions and answers. Uses of radioisotopes revision test has science worksheets, helping 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, viva interview questions. Free science study guide to practice uses of radioisotopes quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Quiz PDF Download Worksheets 15

MCQ. Each collision of Uranium-238 with neutrons releases

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


MCQ. Carbon is represented by

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


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 two hydrogen atoms


MCQ. Electrons fill energy level starting from the

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


MCQ. The number of neutrons in carbon-14 is

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