## Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall

# Chapter 8 - Sections 8.1-8.9 - Exercises - Problems by Topic: 58

#### 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.

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