Answer
Element $119$
Work Step by Step
The atomic number of the next alkali metal after francium is 119. The ground-state electron configuration of the next alkali metal, which would be an element with atomic number 119, would be [Rn] 7s1.
Chemistry: Atoms First (2nd Edition)
by Zumdahl, Steven S.; Zumdahl, Susan A.
Published by
Cengage Learning
ISBN 10:
1305079248
ISBN 13:
978-1-30507-924-3
Chapter 2 - Exercises - Page 99g: 132
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