Question

what do u mean by oxidation number

Answer 1

Oxidation number is the residual charge which an atom has or appears to have when other elements are removed as ions by counting the number of shared electrons.

For example, the oxidation state of N in NH3is -3.

Answer 2

hey dear friend!!
the state of an element or ion in a compound with regard to the electrons gained or lost by the element or ion in the reaction that formed the compound, expressed as a positive or negative number indicating the ionic charge of the element or ion. Expand. Also called oxidation number.
i think it may help u dear!!