Nuclear Crossword Puzzle

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Across
  1. 5. A reaction spread of nuclei.
  2. 6. A nucleus splits into to many.
  3. 7. Gamma rays.
  4. 9. Dividing an element to 2 due to stableness
  5. 10. two forms of the same element
  6. 12. Numbers of protons in an element.
  7. 13. Emit radiation decay
  8. 14. A Neutral nuclei.
Down
  1. 1. Nuclear energy that includes stars/sun
  2. 2. Highly dangerous substance
  3. 3. an positive nuclei
  4. 4. two protons and two neutrons
  5. 8. Total number of protons and Neutrons
  6. 11. The central of a cell