Nuclear Energy

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Across
  1. 4. A reaction when the products promote the spread of the reaction
  2. 9. The total amount of protons and neutrons
  3. 10. A particle with a positive charge
  4. 12. The amount of time it takes for only half of a sample to decay
  5. 13. A particle with a negative charge and can be blocked by aluminum
  6. 14. A particle without a charge
Down
  1. 1. The amount of protons in the nucleus of an atom
  2. 2. A particle with a positive charge and is the easiest to block
  3. 3. Has no charge and large amount of energy
  4. 5. A reaction when the nuclei of an atom fuse
  5. 6. A reaction when a nucleus splits
  6. 7. An atom with a mass different from the one of a periodic table
  7. 8. The ability of an atom to emit mass and energy
  8. 11. The center of an atom consisting of protons and neutrons