Science and Radioisotopes MCQs Quiz Worksheet PDF Download

Learn science and radioisotopes MCQs, science online test for elementary school exam prep for distance learning degree, free online courses. Practice atoms and atom model multiple choice questions (MCQs), science and radioisotopes quiz questions and answers for 7th grade advanced science worksheets.

Study elementary school courses, online science degree programs MCQs: isotope of uranium (uranium-238) contains, for online courses with choices 141 neutrons, 142 neutrons, 146 neutrons, and 149 neutrons for online e-learning with elementary education, secondary education and distance learning. Free science student portal for online learning science and radioisotopes quiz questions, 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