Why do some metals show variable valencies?

Asked by ANUP MAHINDRE | 1st May, 2012, 03:07: PM

Expert Answer:

The metals having d-orbital as penultimate orbital and the outermost s-orbital show variable valency.
This is because they have unfilled d-orbital but filled s-orbital.

Answered by  | 2nd May, 2012, 02:14: PM

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