Chemistry Crossword

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Across
  1. 2. reaction in which the oxidation number of a molecule, atom, or ion changes by GAINING or LOSING an electron
  2. 5. a substance that has the ability to OXIDIZE other substances
  3. 7. any chemical reaction that involves the MOVING of electrons
  4. 8. a chemical reaction that involves the GAINING of electrons by one of the atoms involved in the reaction between two chemicals
Down
  1. 1. reaction that occurs when there is NOT a TRANSFER of electrons
  2. 3. a NUMBER that is assigned to an element in a chemical combination
  3. 4. a chemical reaction that involves the GAINING of electrons by one of the atoms involved in the reaction between two chemicals
  4. 6. the LOSS of electrons during a reaction by a molecule, atom or ion