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Oxidation and Reduction
- Oxidation numbers
- Oxidation is an increase in oxidation number, Reduction is a decrease in oxidation number
- Uncombined elements = 0
- Neutral compounds = 0
- Ion = charge on ion
- The most electronegative element in compound is negative.
- Oxygen = -2
- Hydrogen = +1
- Fluorine = -1
- Chlorine = -1
- Chlorine = -1
- Fluorine = -1
- Hydrogen = +1
- Group 1 metals = +1
- Group 2 metals = +2
- Group 2 metals = +2
- Oxidation is an increase in oxidation number, Reduction is a decrease in oxidation number
- Oxidation is loss of electrons.
- Oxidation is gain of oxygen
- Oxidation is gain of oxygen
- Reduction is gain of electrons.
- Reduction is loss of oxygen
- Reduction is loss of oxygen
- Oxidising agent - something that oxidises something else.
- Reducing agent - something that reduces something else.
- Reducing agent - something that reduces something else.
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