Nuclear Chemistry

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Across
  1. 3. life, the amount of time it takes for half of a sample to decay
  2. 6. protons and neutrons
  3. 7. that can be stopped by clothing
  4. 9. nuclear force, keeps protons attracted to each other in the nucleus
  5. 10. a positive electron
  6. 12. when one atom turns into a different atom
Down
  1. 1. an atom in nuclear chemistry
  2. 2. radiation that can only be stopped by lead
  3. 4. radiation that can be stopped with aluminum foil
  4. 5. when two small nuclei combine to form a larger nucleus creating a lot of energy
  5. 8. when an atom is unstable and decays
  6. 11. when one large nucleus splits into two smaller nuclei creating a lot of energy