Nuclear

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Across
  1. 1. treats cancer
  2. 4. above the letter on the periodic table
  3. 6. the number below the letter on the periodic table
  4. 7. large nucleus breaks apart and becomes 2 small nuclei
  5. 8. atoms with the same number of protons and electrons, but a different number of neutrons
  6. 11. located in the nucleus
  7. 12. something that happens over and over again
  8. 13. the amount of time it takes for something to have half the amount of mass
  9. 14. will go through skin but not aluminium
Down
  1. 2. The heaviest of all of the decay
  2. 3. in the middle of the cells
  3. 5. the waste that nuclear energy has
  4. 9. two small nucei come to gether and make a nucleus
  5. 10. located in the nucleus