Chemistry

1234567891011121314
Across
  1. 2. basic unit for matter
  2. 4. anything that occupies space
  3. 8. 6.02*10^23
  4. 9. center of the atom
  5. 11. packed molecules
  6. 12. simplest part of a substance
  7. 13. no charge
  8. 14. made from 2+ elements
Down
  1. 1. first step
  2. 3. what comes out of a reaction?
  3. 5. compounds are formed or broken down
  4. 6. mixture of 2+ substances
  5. 7. relate to the charge
  6. 10. negative particle