Nuclear Energy

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Across
  1. 2. Center of an atom
  2. 6. the amount of time it takes for one-half of the radioactive isotope to decay
  3. 7. the emission of ionizing radiation
  4. 9. Subatomic particle with neutral charge
  5. 10. second most dangerous radiation particle
  6. 11. the total number of protons and neutron
  7. 12. the number of protons in the nucleus of an atom
  8. 14. positively charged subatomic particle
Down
  1. 1. a nuclear reaction in which a heavy nucleus splits
  2. 3. a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
  3. 4. least dangerous radiation particle
  4. 5. most dangerous form of radiation
  5. 8. a series of events so related to each other that each one initiates the next
  6. 13. Atoms with the same number of protons but different numbers of neutrons