Question

what si valency of nickel explain​

Answer 1

Answer:

Valency of elements is based upon the highest energy level s and p shells. For nickel that would be 4s2, resulting in a +2 by giving both of the s electrons away. ... Ni valency is +2,because to get stable electronic configuration it will loose two electrons from s orbital that Ni valency is 2

Explanation:

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