CHEMISTRY

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