Nuclear Energy

1234567891011121314
Across
  1. 3. Can go through skin and aluminium but is stopped by lead
  2. 5. Calculated by adding neutrons and protons
  3. 6. When an atom has a different mass than whats on the periodic table
  4. 8. Instability in a atom which makes it this
  5. 10. 2 atom combine and release energy
  6. 12. When something happens and causes another set of reactions to happen
  7. 13. This determines its place on the periodic table, Calculated by the number of protons
  8. 14. The Time point when a sample has gotten to half of its original amount
Down
  1. 1. An atom splits and releases energy
  2. 2. Is released during beta decay, Is one electron
  3. 4. Releases during Alpha decay, Also known as a helium nucleus
  4. 7. Determines what element it is
  5. 9. the center of a atom and contains most mass in a atom
  6. 11. Neutrally charged subatomic particle, Weighs 1 amu