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In the compound Co2O3, cobalt has an oxidation number of ______, while oxygen's oxidation number is -2.


Please give answer and explain what an oxidation number is

Verified Answer :

In the compound Co2O3, cobalt has an oxidation number of 3, while oxygen's oxidation number is -2. 

An oxidation number is a number assigned to an element in chemical combination that represents the number of electrons lost (or gained, if the number is negative) by an atom of that element in the compound.

masonolesko

Answer:

The answer is 3

Explanation:

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