Question

What happens of the oxidation number of an element during oxidation​

Answer 1

Answer:

Addition of oxygen or removal of hydrogen takes place

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Answer 2

Answer:

Reactions in which an element is oxidized typically involved a corresponding reduction in another element. Reduction happens when an element gains electrons; in this case, its oxidation number is lowered. ... As the oxygen gains electrons, it changes from an oxidation number of zero to an oxidation number of negative two.

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