Answer
The answers are -
a. 1
b. 10
c. 5
d. 2
Work Step by Step
a. Lithium has a $2s^1$ configuration
b. Copper has a $3d^{10}4s^1$ configuration
c. Bromine has a $3d^{10}4s^24p^5$ configuration
d. Zirconium has a $4d^25s^2$ configuration
Chemistry: Molecular Approach (4th Edition)
by Tro, Nivaldo J.
Published by
Pearson
ISBN 10:
0134112830
ISBN 13:
978-0-13411-283-1
Chapter 8 - Exercises - Page 376: 47
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