Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 8 - Sections 8.1-8.9 - Exercises - Problems by Topic - Page 376: 73b


As rubidium is placed after sodium, so sodium has the larger ionization energy.

Work Step by Step

We know that odium and rubidium are located in the same group in the periodic table and we also know that the ionization energy decreases while moving down a group.
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