Key concepts, video

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Across
  1. 5. – Representation of the chemical change.
  2. 7. – Related to reactions producing or using electricity.
  3. 9. – Substance that gets reduced while causing oxidation.
  4. 10. – Substance that gets oxidized while causing reduction.
Down
  1. 1. – Charged atoms or molecules in the reaction
  2. 2. – Remove species appearing on both sides.
  3. 3. – Process where substances change into new ones.
  4. 4. – Environment with OH⁻ ions, affects balancing step.
  5. 6. – Added to balance oxygen atoms.
  6. 8. – Environment with H⁺ ions, affects balancing steps.