Nuclear Energy

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Across
  1. 1. The amount of protons that determines what the element of an atom is.
  2. 3. The most harmful type of radiation.
  3. 5. The positive charge that is inside the nucleus.
  4. 6. When particles decay because of energy.
  5. 7. The amount of time it takes for an element to lose half of it's mass.
  6. 8. The amount of mass a element has.
  7. 9. Heat Energy.
  8. 11. Dividing Elements to use energy.
  9. 13. When the mass of an element is different then it was on the periodic table.
Down
  1. 1. The least harmful type of radiation.
  2. 2. When something keeps happening over and over again because of one thing that caused it.
  3. 4. The central part of the atom.
  4. 10. The particle in the nucleus with no charge.
  5. 12. The not least harmful, but not most harmful type of radiation.