Patterns of reactivity

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Across
  1. 4. reacts with metal to form salt
  2. 6. where a more reactive metal displaces a less reactive metal
  3. 8. reacts with metal to form and oxide
  4. 9. this happens to iron when it is untreated
  5. 10. something a saucepan would need to conduct
  6. 11. example of a non-metal that is commonly used
  7. 12. least reactive metal
Down
  1. 1. reacts with metal to form a hydroxide
  2. 2. desirable property of jewellery
  3. 3. metal commonly used for electrical wires
  4. 5. property of an electrical wire
  5. 7. most reactive metal