Nuclear stuff

1234567891011121314
Across
  1. 3. Keeps the nucleus together; has no charge
  2. 7. Emits particles which then releases energy; _____ equals division
  3. 9. When a neutron forms into a proton which causes a electron to be released.
  4. 11. Number of protons and neutrons combined.
  5. 13. When one event occurs which causes other events to occur
  6. 14. 2 protons and 2 neutrons (Helium nuclei)
Down
  1. 1. The number of protons in the nucleus
  2. 2. 2 hydrogen nuclei that combine which then releases mass amounts of energy
  3. 4. Center of the atom; contains protons and neutrons
  4. 5. The time it takes for half a radioactive sample to decay
  5. 6. When the amount of protons and neutrons in an atom is not identical to the mass on the periodic table
  6. 8. An unstable element that is going through nuclear decay
  7. 10. Gives the atom its identity; has a positive chare
  8. 12. Rays of energy released from the nucleus; the most dangerous type of decay