metals and non-metals

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Across
  1. 1. usually used in wires
  2. 3. one of the heiviest metals
  3. 5. made of the metals copper and tin
  4. 8. used for second place at the olympics
  5. 9. has the atomic number 16
  6. 10. can be combined with chlorine to create salt
  7. 11. the most reactive metal with water
Down
  1. 2. the first element discovered and a non-metal
  2. 4. a metal oid with a dark grey colour and the number
  3. 6. one of the only liquid materials at roomm temp also a metal
  4. 7. used to make tin foil