Question

what is an oxidation number?

Answer 1

Answer:

Total number of electrons in an atom gained or lost during the formation of chemical bond with another atom

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Answer 2

Answer:

oxidation number of an atom is the charge that atom would have if the compound was composed of ions.the oxidation number of an atom is zero in a neutral substance that contains atom of only one elements.the oxidation number of simple ions is equal to the charge of the ions