Science and Radioisotopes MCQs Quiz Worksheet PDF Download

Learn science and radioisotopes MCQs in science quiz for test prep. Atoms and atom model quiz questions has multiple choice questions (MCQ), science and radioisotopes test as the isotope of uranium (uranium-238) contains. Answer key help with choices as 141 neutrons, 142 neutrons, 146 neutrons and 149 neutrons problem solving for competitive exam, viva prep, interview questions worksheets. Free science revision notes to practice science and radioisotopes quiz with MCQs to find questions answers based online tests.

MCQs on Science and Radioisotopes Quiz PDF Download

MCQ. The 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. The larger the number of subatomic particles, the more the 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 the unstable atoms break up into smaller atoms,

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

B