Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 6 - The Periodic Table - Standardized Test Prep - Page 191: 5

Answer

Answer is A

Work Step by Step

When iodide o K+, K loses one electron. The lost electron is no longer there to shield the effect of the positive charge from the nucleus, therefore, the remaining electrons will feel the positive charge stronger, thus attract closer to nucleus.
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