Nuclear Crossword

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Across
  1. 2. Type of radiation with two protons and two neutrons
  2. 4. Combining two atoms together
  3. 7. The emission or transmission of energy
  4. 9. Relating to or of the nucleus of an atom
  5. 10. Part of an atom that has no charge
Down
  1. 1. The negatively charged part of an atom
  2. 3. Splitting an atom
  3. 5. The positively charged part of an atom
  4. 6. The central part of a nuclear reactor where fuel is held
  5. 8. Type of radiation made of fast moving electrons