Question

Define: Oxidation number of central metal ion

Answer 1

Answer:

The oxidation number of an atom is the charge that would exist on the atom if the bonding were completely ionic.

In simple ions, the oxidation number of the atom is the charge on the ion.

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Answer 2

Answer:

In simple ions, the oxidation number of the atom is the charge on the ion. For example, Na+, K+, and H+ all have oxidation numbers of +1. O2- and S2- have oxidation numbers of -2. In a molecule or compound, the oxidation number is the sum of the oxidation numbers of its constituent atoms.