Chemical Crossword

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Across
  1. 6. when a compound is broken down into simpler substances
  2. 7. the part of the Earth at the very centre
  3. 10. the set of elements on the far right of the Periodic Table
  4. 11. a type of change involving different states
  5. 13. a substance that can't be broken down into other substances
  6. 15. reinforced concrete is an example of this type of material
Down
  1. 1. the movement of the sixth element around the planet
  2. 2. a material formed from combining many smaller molecules
  3. 3. a substance that neutralises acids
  4. 4. a substance in solution with a pH less than 7
  5. 5. the substances that exist at the end of a reaction
  6. 8. the chemical opposite of reduction
  7. 9. the process of a liquid turning into a solid
  8. 12. a supported prediction about an experiment
  9. 14. elements found on the left of the Periodic Table