Nuclear energy

12345678910111213141516
Across
  1. 3. method used to determine the age of things of organic origin by measuring the radioactivity of their carbon-14 content
  2. 7. electron or a positron released from a nucleus during beta decay
  3. 9. occurs when the fuel in a reactor melts and the radiation leaks out of the reactor
  4. 11. minimum amount of isotope needed to sustain a chain reaction
  5. 12. the time it take for one half of the atoms of an isotope in a given sample to decay into atoms of another atoms
  6. 13. natural transmutation
  7. 16. a continuous series of nuclear fission reaction
Down
  1. 1. a nucleus that naturally decays and falls apart
  2. 2. a nucleus that does not decay and fall apart
  3. 4. the ability of some elements to give off nuclear radiation as a result of a change in atoms nucleus
  4. 5. a particle with two protons and two neutrons released during beta decay
  5. 6. process of change with an atoms nucleus that produces a different element
  6. 8. the exposure of foods to radiation in order to kill harmful bacteria
  7. 10. a radioactive isotope whose pathway can be traced through the body
  8. 14. particles released during radioactivity decay
  9. 15. electromagnetic wave with the shortest wavelength and highest frequency released