The Chemical World: Radioactivity Crossword

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Across
  1. 3. neutron
  2. 4. betaparticle
  3. 5. nuclearenergy
  4. 6. radioactive
  5. 11. alphaparticle
  6. 14. electron
Down
  1. 1. halflife
  2. 2. isotope
  3. 3. nuclearfission
  4. 7. radiation
  5. 8. massnumber
  6. 9. gamma ray
  7. 10. decay
  8. 12. proton
  9. 13. nucleus