Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 8 - Exercises - Page 376: 50


a. aluminium b. sulfur c. argon d. magnesium.

Work Step by Step

a. In the $3rd$ period , $[Ne]3s^{2}3p^{1}$ configurations will have 3 valence electrons. This is the configuration of aluminium b. In the $3rd$ period , $[Ne]3s^{2}3p^{4}$ configuration is of sulfur c. In the $3rd$ period , $[Ne]3s^{2}3p^{6}$ configuration is of argon d. In the $3rd$ period , $[Ne]3s^{2}$ configuration is of magnesium.
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