Answer
$S, Si, Al, Mg$
Work Step by Step
Effective nuclear charge decreases from right to left across a row in the periodic table. Therefore, the order in which the effective nuclear charge decreases is S, Si, Al, and Mg.
Chemistry: A Molecular Approach (3rd Edition)
by Tro, Nivaldo J.
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: 58
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