Ch. 6&7 crossword puzzle

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Across
  1. 3. What makes a reaction happen
  2. 5. Change PhysicalChange
  3. 8. How much of an element is in something
  4. 9. liquid
  5. 12. The bubbles in a liquid
  6. 14. 6.022x1023 atoms
  7. 15. To preserve something
  8. 16. The number put before a chemical formula
  9. 17. Atomic number
  10. 18. Decomposition
Down
  1. 1. Fire
  2. 2. The result of a chemical reaction
  3. 4. A solid made from two liquids
  4. 6. Chemicals not soluble
  5. 7. Amount of atoms in one Mole
  6. 10. Synthesis
  7. 11. Hydrogen and carbon
  8. 13. The total molar mass of a formula