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

Published by Prentice Hall

# Chapter 8 - Sections 8.1-8.9 - Exercises - Problems by Topic: 48a

#### Answer

$Mg:[Ne]3s^{2}$ Therefore, there are two 2s electrons.

#### Work Step by Step

Write the electron configuration for magnesium using noble gas notation. Then determine the number of electrons for the specified subshell.

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