Across
- 4. negative charge
- 8. different number of neutrons
- 10. think of salt
- 11. pure , more than 1
- 13. Pure,singular
- 14. different number of electrons
Down
- 1. plum-pudding model
- 2. a form of separation using boiling water
- 3. a test of a unknown metal
- 5. no charge
- 6. Not pure
- 7. form of separation
- 9. separation of different liquids with different solubilities
- 12. positive charge