How it works
The sum of the oxidation numbers of a chemical species equals its total charge.
Alkali metals usually have oxidation number +1 and alkaline earth metals +2.
Oxygen is usually -2 and hydrogen is usually +1.
Educational portal for Science, Biology, Chemistry and Physics.
Chemistry · Redox
Oxidation Number Calculator
Calculate the unknown oxidation number when the formula and the total charge are known.
Average oxidation number
Fill in the fields and see the result with the formula used.
Result
Fill in the required data to see the result.
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