Physics Terms

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Across
  1. 10. Proton in the nucleus
  2. 11. Holds a nucleus together
  3. 12. Force between protons and neutrons
  4. 14. Two neutrons and protons being ejected from a radioactive atom
  5. 15. Subatomic particle, fractional charge
  6. 18. Rise to forces of other particles
  7. 20. Conversion of radiation quantum into an electron or positron
  8. 22. Atom with specific number of protons and neutrons
  9. 23. No part in strong interaction
  10. 24. Weight less than sum of nucleons
Down
  1. 1. Time for HALF the isotope to disappear
  2. 2. Emitting an electron
  3. 3. Losing energy unstably
  4. 4. Protons and neutrons in atom
  5. 5. Mass of an atom
  6. 6. Fission, fusion, or radioactive-decay
  7. 7. Force between leptons
  8. 8. Spread of a reaction
  9. 9. Dividing into two or more parts
  10. 13. Mathematical description of elementary particles
  11. 16. Condition for things to happen
  12. 17. A proton or neutron
  13. 19. Stream of high energy protons
  14. 21. Joining two or more things