Hydrogen Fuel

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Across
  1. 3. An electrical chemical device that converts fuel into an electrical currentAn electrical chemical device that converts fuel into an electrical current
  2. 5. H+
  3. 6. Amount of energy produced by the source minus energy used
Down
  1. 1. loss of electrons
  2. 2. H-
  3. 4. Gain of electrons
  4. 7. Electrical current used to split a substance into its original elements