Across
- 5. quantity of matter
- 7. number of protons
- 12. increases the rate of a reaction
- 13. si unit of energy
- 15. m
- 18. salt
- 19. technique of heating a liquid
Down
- 1. dissolves a solute
- 2. solids in a liquid are removed
- 3. unit of element
- 4. turn litmus blue
- 6. turns litmus red
- 8. the name of the class
- 9. type of gas on periodic table
- 10. unit of temperature
- 11. two bonds paired together
- 12. ion that is positivly charged
- 14. turns into a solid
- 16. solution with a little solute
- 17. middle of periodic table