Nuclear Energy Crossword Puzzle

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Across
  1. 2. The mass # minus the atomic numbers
  2. 4. The atomic number plus the neutrons?
  3. 6. Nuclear fission impacts others, and creates this reaction
  4. 10. This # is the same as the # of protons
  5. 11. Amount of time it takes for an element to decay in half?
  6. 13. What energy do nuclear power plants use?
  7. 14. What holds the protons and neutrons?
Down
  1. 1. This particle has a negative charge
  2. 3. What type of nuclear energy occurs on the sun?
  3. 5. What radiation is the most dangerous?
  4. 7. What particle has a Helium nucleus?
  5. 8. This subatomic particle is equal to the atomic #
  6. 9. The emission of ionizing radiation
  7. 12. Same # of protons but different # of neutrons