Chemecal crossword

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Across
  1. 1. when an electron relocates from an atom or molecule to another such chemical entity.
  2. 4. The oxidation number of each atom can be calculated by subtracting the sum of lone pairs and electrons it gains from bonds from the number of valence electrons.
  3. 6. an element or compound that loses (or "donates") an electron to an electron recipient (oxidizing agent) in a redox chemical reaction.
  4. 7. combine or become combined chemically with oxygen.
Down
  1. 2. a chemical reaction that involves the gaining of electrons by one of the atoms involved in the reaction between two chemicals.
  2. 3. Any reaction that doesn't have at least one atom that increases in oxidation number during the reaction and at least one atom that decreases in oxidation number during the reaction is not a redox reaction.
  3. 4. Oxidation is the loss of electrons during a reaction by a molecule
  4. 5. a substance that has the ability to oxidize other substances
  5. 6. a type of chemical reaction in which the oxidation states of atoms are changed.