Physics

12345678
Across
  1. 2. the ability of one atome to bind to another
  2. 4. the force that holds an atom together
  3. 6. the energy released by a waterfall
  4. 8. elements with different number of neutrons
Down
  1. 1. the parts of an atom with no charge
  2. 3. what number is the same as the number of protons
  3. 5. what causes an atom to lose charge neutrallity
  4. 7. the model used to describe atomic structure