Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 8 - Sections 8.1-8.9 - Exercises - Problems by Topic: 66b

Answer

$[Ne]3s^{2}3p^{3}$ $[Ne]3s^{2}3p^{6}$ or $[Ar]$

Work Step by Step

Write the electron configuration for an uncharged P atom. Three electrons must be added to P to form the ion $P^{3-}$. Add these electrons to its energy level and change the corresponding electron configuration.
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