General Chemistry: Principles and Modern Applications (10th Edition)

Published by Pearson Prentice Hal
ISBN 10: 0132064529
ISBN 13: 978-0-13206-452-1

Chapter 23 - The Transition Elements - 23-6 Concept Assessment - Page 1056: 23-6


The electron configuration of $\mathrm{Au}$ is $[\mathrm{Xe}] 4 f^{14} 5 d^{10} 6 s^{1}$; thus, the electron configuration of $\mathrm{Au}^{3+}$ involves losing the 6s electron and two of the 5d subshell's, yielding the following configuration: $$[\mathrm{Xe}] 4 f^{14} 5 d^{8}$$

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