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: 73c


The larger ionization energy cannot be predicted.

Work Step by Step

As arsenic and astatine are in different groups and in different periods as well. When we move down a group, the ionization energy decreases while moving towards right in a period the ionization energy increases. Thus, we can not predict the larger ionization energy.
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