Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 7 The Structure of Atoms and Periodic Trends - 7-4 Electron Configurations of Ions - Review & Check for Section 7-4 - Page 267: 2



Work Step by Step

$Cr^{3+}: [Ar]\ 3d^{3}$ 3 unpaired $Cu^{2+}: [Ar]\ 3d^{9}$ 1 unpaired $Co^{3+}: [Ar]\ 3d^{6}$ 4 unpaired $Ni^{2+}: [Ar]\ 3d^{8}$ 2 unpaired
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