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The oxidation number of an atom in a giv...

The oxidation number of an atom in a given species (molecule, ion of free atom) is the :

A

acutal charge of the atom

B

valency of the atom

C

formal charge of the atom

D

actual charge of the atom is the atom exits as a monotomic ion, or the hypothetical charge assigned to the atom in the species by sipmple rules.

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The correct Answer is:
d
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