Chemistry (12th Edition)

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

Chapter 6 - The Periodic Table - 6 Assessment - Page 189: 76

Answer

The ionic radii would decrease from S2- to Sc3+. The number of electrons and the shielding effect do not change, but the number of protons increases from left to right in this series. So the ionic size decreases. The same is true for the series O20 to Mg2+.

Work Step by Step

The ionic radii would decrease from S2- to Sc3+. The number of electrons and the shielding effect do not change, but the number of protons increases from left to right in this series. So the ionic size decreases. The same is true for the series O20 to Mg2+.
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