fun chemistry

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Across
  1. 1. state change from solid to gas
  2. 5. group 1 element
  3. 8. reaction between an acid and a base
  4. 9. reactions that give out heat energy
  5. 11. a substance that increases rate of reaction
  6. 14. spreading of particles from higher to lower concentration
  7. 15. corrosion of iron
Down
  1. 2. water soluble base
  2. 3. particles present in the nucleus
  3. 4. a separating technique
  4. 6. an alloy
  5. 7. breaking up of rocks into smaller pieces
  6. 10. color of litmus in acidic solutions
  7. 12. a halogen
  8. 13. a property of metal