Chemistry crossword

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Across
  1. 5. insoluble solid formed in reaction
  2. 6. compound made of metal and non-metal
  3. 7. chemicals created during a reaction
  4. 8. one ion in compound replaced/swapped with another
  5. 10. an atom that has gained or lost electrons
  6. 11. quick exothermic reaction of fuel and oxygen
  7. 13. NO3
  8. 15. breaks down reactant into 2 or more chemicals
  9. 16. SO4
  10. 17. chemical which speeds up a reaction
Down
  1. 1. chemicals at the start of a reaction
  2. 2. CO3
  3. 3. a reaction which releases heat, light or sound
  4. 4. a reaction where temperature goes down
  5. 9. combines reactants
  6. 11. slow reaction of metal and oxygen
  7. 12. energy required to start a reaction
  8. 14. used to determine hydrogen as a product