Chemistry, asked by kushi321, 1 year ago

how to calculate the oxidation number

Answers

Answered by wbridget512
4

I know this is long, but I think this should really help you mate! :)

The oxidation number of a free element is always 0.

The oxidation number of a monatomic ion equals the charge of the ion.

The oxidation number of

H

is +1, but it is -1 in when combined with less electronegative elements.

The oxidation number of

O in compounds is usually -2, but it is -1 in peroxides.

The oxidation number of a Group 1 element in a compound is +1.

The oxidation number of a Group 2 element in a compound is +2.

The oxidation number of a Group 17 element in a binary compound is -1.

The sum of the oxidation numbers of all of the atoms in a neutral compound is 0.

The sum of the oxidation numbers in a polyatomic ion is equal to the charge of the ion.


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