General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 8 - Electron Configurations and Periodicity - Questions and Problems - Page 333: 8.105

Answer

Please see the work below.

Work Step by Step

We know that the main group element in period 5 with the smallest radius is xenon. We also know that the trend in atomic radius is to decrease from left to right in a period due to which electrons are attracted more toward nucleus.
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