radioactivity crossword

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Across
  1. 2. Less important radiation
  2. 5. Used to cure cancer
  3. 9. A non violent particles baby
  4. 10. A mutated atom
  5. 11. The centre of an atom
  6. 12. bosun The holy particle
  7. 13. Spinning magma
Down
  1. 1. Measurement of radioactivity
  2. 3. Superior radiation
  3. 4. What missiles are in star trek
  4. 5. Coming out from a point
  5. 6. Study of radioactivity
  6. 7. Non violent particle
  7. 8. Over excited particle loses energy