Science and Radioisotopes MCQs Quiz and Answers Tests pdf Download

Practice science and radioisotopes MCQs in science quiz for test prep. Atoms and atom model quiz questions has multiple choice questions (MCQ) with science and radioisotopes test, answers as the isotope of uranium i.e. uranium-238 contains, answer key with choices as 141 neutrons, 142 neutrons, 146 neutrons and 149 neutrons for competitive exam preparation worksheets. Free science revision notes to learn science and radioisotopes quiz with MCQs to find questions answers based online tests.

MCQs on Science and Radioisotopes Quiz pdf Download

MCQ. Isotope of Uranium i.e. Uranium-238 contains

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

C

MCQ. Uranium-238 is an isotope of Uranium and 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