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: 65e

Answer

$[Ar]4s^{1}3d^{10}$ $[Ar]3d^{9}$

Work Step by Step

Write the electron configuration for an uncharged Cu atom. Two electrons must be removed from Cu to form the ion $Cu^{2+}$. Remove these electrons from its outer energy level and change the corresponding electron configuration.
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