nucleur energy

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Across
  1. 3. the total number of protons and neutrons in an atom.
  2. 5. the release of energy from the decay of the nuclei of certain kinds of atoms and isotopes
  3. 7. equal to the number of protons in the nucleus
  4. 9. A charged particle with a mass equal to that of a proton
  5. 11. A charged particle (with a mass equal to 1/1837 that of a proton
  6. 12. a subatomic particle with a positive electric charge.
  7. 14. atoms are realsed which realses energy
Down
  1. 1. a series of events so related to each other that each one initiates the next.
  2. 2. a form of electromagnetic radiation
  3. 4. composite particles consisting of two protons and two neutrons tightly bound together
  4. 6. the process by which two light atomic nuclei combine to form a single heavier one
  5. 8. center of the atom
  6. 10. has a mass equal to the mass of a proton,
  7. 13. atoms that have the same number of protons and electrons but different numbers of neutrons