Chemistry

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Across
  1. 4. poorest conductor of heat
  2. 5. metal which cannot be stored in packets
  3. 8. used for eletric wiring
  4. 10. best electric conductor
Down
  1. 1. metal not corroded by air,water and acid
  2. 2. metal that melts on our palm
  3. 3. used to construct bridges and houses
  4. 6. A liquid metal
  5. 7. gas is produced when metals react with dilute acids
  6. 9. can be beaten into thin sheets