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

Published by Prentice Hall

# Chapter 8 - Sections 8.1-8.9 - Exercises - Problems by Topic: 49d

Krypton.

#### Work Step by Step

The element in the fourth period with a complete outer shell has an electron configuration of $[Ar]4s^{2}3d^{10}4p^{6}$ which corresponds to the element krypton.

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