Chemistry

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Across
  1. 2. the solution or molten material in electrolysis
  2. 3. the negative electrode
  3. 7. aluminium ore
  4. 11. the metal extracted using a blast furnace
  5. 13. a molecule made up of more than one element
  6. 14. the simplest substance made from one type of atom.
  7. 15. the positive electrode
Down
  1. 1. splitting substances using electrolysis
  2. 4. makes a squeaky pop with a lit splint
  3. 5. the addition of oxygen to an element
  4. 6. extracts impurities in the blast furnace
  5. 8. the salt made by hydrochloric acid
  6. 9. the salt made by sulphuric acid
  7. 10. made up of electrons, protons and neutrons
  8. 12. relights a glowing splint