# Chapter 8 - Sections 8.1-8.9 - Exercises - Problems by Topic: 42c

$Ar:1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}$

#### Work Step by Step

Use the periodic table as a guide in writing down the electron configuration for the specified element. Make sure to write the electron configuration in the order in which the subshells are filled.

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