Science and Radioisotopes MCQs Quiz Worksheet PDF Download

Learn science and radioisotopes MCQs, science test for online course learning and test prep to practice. Atoms and atom model quiz questions has multiple choice questions (MCQ), science and radioisotopes test to learn for 7th grade advanced science worksheets.

Science practice test MCQ on isotope of uranium (uranium-238) contains with options 141 neutrons, 142 neutrons, 146 neutrons and 149 neutrons problem solving skills for competitive exam, viva prep, interview questions with answer key. Free science revision notes to learn science and radioisotopes quiz with MCQs to find questions answers based online learning tests.

MCQs on Science and Radioisotopes Quiz PDF Download

MCQ. Isotope of uranium (Uranium-238) contains

  1. 141 neutrons
  2. 142 neutrons
  3. 146 neutrons
  4. 149 neutrons

C

MCQ. Uranium-238 which is an isotope of uranium, is

  1. stable
  2. radioactive
  3. complete
  4. decayed

B

MCQ. Larger number of subatomic particles, more likeliness of being

  1. stable
  2. radioactive
  3. complete
  4. decayed

B

MCQ. Unstable atoms break up into

  1. electrons and protons
  2. smaller atoms
  3. neutrons and protons
  4. subatomic particles

B

MCQ. As unstable atoms break up into smaller atoms,

  1. energy is released
  2. radiations are released
  3. light is released
  4. heat is released

B