Chapter 27 Self Quiz: Nuclear Energy

  1. Which particle has a negative charge and orbits the nucleus of an atom?
    1. proton (wrong)
    2. neutron (wrong)
    3. electron (correct)
    4. isotope (wrong)
    5. helium (wrong)
      Hint
  2. Atoms that have the same atomic number but different numbers of neutrons are called
    1. radioactive (wrong)
    2. ions (wrong)
    3. isotopes (correct)
    4. molecules (wrong)
    5. bonds (wrong)
      Hint
  3. After ten half-lives, a radioactive isotope will decay and leave about ________ % of the parent material.
    1. 0.1 (correct)
    2. 1 (wrong)
    3. 5 (wrong)
    4. 10 (wrong)
    5. 50 (wrong)
      Hint
  4. Fission reactions can yield ________ radiation consisting of helium nuclei with 2 protons and 2 neutrons.
    1. alpha (correct)
    2. beta (wrong)
    3. gamma (wrong)
    4. infrared (wrong)
    5. microwave (wrong)
      Hint
  5. Uranium ore is obtained by
    1. fracking (wrong)
    2. mining (correct)
    3. enriching (wrong)
    4. milling (wrong)
    5. decaying (wrong)
      Hint
  6. The heat from a nuclear reactor is mainly obtained from
    1. fission (correct)
    2. decay (wrong)
    3. milling (wrong)
    4. control rods (wrong)
    5. explosions (wrong)
      Hint