Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 4 - Section 4.7 - Trends in Periodic Properties - Questions and Problems - Page 125: 4.55a

Answer

Br has the higher ionization energy.

Work Step by Step

Ionization energy increases as you move from left to right in the periodic table. It decreases as you move downwards.
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