Nuclear Energy

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Across
  1. 2. Number The number of protons in an element
  2. 4. Clumped with neutrons in the middle of an atom and is positively charged
  3. 8. A subatomic atom that is neither positive nor negative
  4. 9. When a large atom splits into half and releases 2 or 3 neutrons
  5. 11. A type of radioactivity that is strong enough to penetrate skin, but gets stopped by Aluminum
  6. 13. The mass of a specific element
  7. 14. The amount of time for half of an element to go through radioactive decay
Down
  1. 1. A change in number of neutrons
  2. 3. A radioactive decay that is the weakest of the 3 and cannot even penetrate skin
  3. 5. The ability of an atom to emit mass and energy
  4. 6. The control center of a cell
  5. 7. Reaction When one an action takes place and affects what is around it and it continues what it did
  6. 10. When the nuclei of two atoms combine and make a heavier nucleus
  7. 12. Another type of radioactive decay that is the strongest and can only be stopped by lead