Key Terms

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Across
  1. 2. Helium Emission
  2. 4. Neutrons + Protons
  3. 5. Mass Difference
  4. 12. Elementary Particles
  5. 13. Energy -> Matter
  6. 14. Energy Redistribution
  7. 17. Emits Radiation
  8. 19. Decay Rate
  9. 20. Nucleus' Force
  10. 21. Nucleus Division
  11. 23. Neutrons and Protons
  12. 24. Decay Time
Down
  1. 1. Nucleus' Combining
  2. 3. Proton Number
  3. 6. Isotope's Nucleus
  4. 7. Mass Measurement
  5. 8. Energy Difference
  6. 9. Nucleons Changing
  7. 10. Electron/Neuron Family
  8. 11. weak force
  9. 15. Repeated Fission
  10. 16. Matter Model
  11. 18. Neutron -> Proton
  12. 22. P/N/Pion Family