Nuclear Energy

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Across
  1. 4. spreading a reaction
  2. 9. the total mass of a atom
  3. 10. a particle with a positive charge
  4. 12. amount of time it takes for a radioactive isotope to decay
  5. 13. high speed unstable atom that comes from a neutron becoming a proton
  6. 14. a particle with no charge
Down
  1. 1. The amount of protons in a atom
  2. 2. a helium 4/2
  3. 3. this is used to treat cancer
  4. 5. atoms are fused together with this
  5. 6. atoms are split with this
  6. 7. a atom with more or less neutrons than normal
  7. 8. caused by the decay of atomic nuclei
  8. 11. the center of a atom