C4

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Across
  1. 2. atomic Symbol of gold
  2. 3. aircraft fuel
  3. 5. has a positive charge
  4. 6. has a negative charge
  5. 8. has a neutral charge
  6. 9. fuel for cars
Down
  1. 1. materials that conduct electricity with little or no resistance
  2. 4. atomic symbol of iron
  3. 7. bottled gas