Across
- 4. positive charge
- 6. a mixture that is uniform throughout
- 7. No charge
- 8. how to turn a liquid to a gas
- 10. negative charge
- 11. how to turn a solid to a liquid
- 12. The vertical columns in the periodic table
Down
- 1. two elements chemically combined
- 2. how to turn a liquid into a solid
- 3. what makes up everything around you
- 5. the horizontal rows on the periodic table
- 6. a mixture that is not uniform throughout
- 9. the smallest level of matter