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CHEM 121 Studioby Learn4Less · UBC CHEM 121

CHEM 121 glossary

Reduction

Gain of electrons, seen as a decrease in an atom's oxidation state. It always happens together with an oxidation.

Example

In 2 Na+ClX2→2 NaCl\ce{2Na + Cl2 -> 2NaCl}, Cl goes from 0 to −1-1: chlorine is reduced.