Question

what is the oxidation number of oxygen?​

Answer 1

Explanation:

The oxidation number of oxygen is −1 in sodium peroxide Na 2 O 2 .

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Answer 2

Answer:

-1

Explanation:

Oxygen, however, now has an oxidation number of -1 because each oxygen gains just one electron from its neighboring hydrogen. The electrons between the two identical oxygen atoms are shared equally, so there is no partial charge resulting from that bond.