Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 8 - Sections 8.1-8.9 - Exercises - Problems by Topic - Page 375: 51c

Answer

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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