Nuclear Energy

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Across
  1. 1. high energy, high speed electrons
  2. 3. the process by which two light atomic nuclei combine to form a single heavier one while releasing massive amounts of energy.
  3. 4. atoms are split apart, which releases energy
  4. 5. the total mass of the subatomic particles in an atom
  5. 8. the act of emitting radiation spontaneously
  6. 11. a subatomic particle with a positive electric charge.
  7. 12. the membrane-enclosed organelle within a cell that contains the chromosomes
  8. 14. electromagnetic radiation that is emitted by an unstable nucleus of an atom during radioactive decay
Down
  1. 2. The total number of protons in the nucleus of an atom
  2. 6. an uncharged elementary particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus.
  3. 7. a series of events so related to each other that each one initiates the next.
  4. 9. atoms with the same number of protons and electrons, but a different number of neutrons
  5. 10. composite particles consisting of two protons and two neutrons tightly bound together
  6. 13. the time required for half of something to undergo a process