# Chapter 8 - Sections 8.1-8.9 - Exercises - Problems by Topic: 51c

Ten valance electrons

#### Work Step by Step

Nickel is a transition metal. So both its outermost ns and $(n-1)d$ electrons are valancee electrons. The noble gas configuration for nickel is $[Ar]4s^{2}3d^{8}$. Therefore, Nickel has ten valance electrons.

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