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Ch 22sec1
- 1. CHAPTER 22 “ Oxidation-Reduction Reactions” LEO SAYS GER
- 2. Ch 22.1 Oxidationand Reduction
- 7. LEO says GER : L ose E lectrons = O xidation Sodium is oxidized G ain E lectrons = R eduction Chlorine is reduced
- 8. Oxidation and Reduction (Redox) Each sodium atom loses one electron: Each chlorine atom gains one electron:
- 9. LEO says GER : - Losing electrons is oxidation, and the substance that loses the electrons is called the reducing agent . ( gets oxided) - Gaining electrons is reduction, and the substance that gains the electrons is called the oxidizing agent .( gets reduced) Mg (s) + S (s) -> MgS (s) Mg is oxidized – loses e - S is reduced – gains e - Mg is the reducing agent S is the oxidizing agent
- 14. Not All Reactions are Redox Reactions - Reactions in which there has been no change in oxidation number are not redox reactions. Examples: