Answer
b) $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{2}$ is the correct answer.
Work Step by Step
Using basic Aufbau principle we can write its configuration and that will be
Ge : $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{2}$
Chemistry (4th Edition)
by Burdge, Julia
Published by
McGraw-Hill Publishing Company
ISBN 10:
0078021529
ISBN 13:
978-0-07802-152-7
Chapter 7 - Section 7.2 - The Modern Periodic Table - Checkpoint - Page 290: 7.2.1
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