Across
- 2. has only one type of atom
- 3. the ease and speed with which a metal reacts with another substance
- 5. made up molecules
- 6. has no definite shape and volume, attraction between molecules are very weak
- 8. gas to liquid process
- 11. molecules that escaped the liquid and go into a gaseous phase
- 12. amount of matter in an object
- 16. subatomic particle that carries a negative charge
- 17. solid to liquid process
- 18. amount of space in an object
- 20. has definite shape and volume, attraction between molecules are strong
Down
- 1. liquid to solid process
- 4. liquid to gas process
- 7. molecule that has the same no. of protons but different no. of neutrons
- 9. unit of measurement in atoms
- 10. atom that had lost or gained electrons
- 13. consists of two or more atoms
- 14. subatomic particle that carries no charge
- 15. subatomic particle that carries a positive charge
- 19. has no definite shape, attraction between molecules are weak