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 - Page 376: 65a


$1s^{2}$$2s^{2}$$2p^{4}$ $1s^{2}$$2s^{2}$$2p^{6}$ or $[Ne]$

Work Step by Step

Write the electron configuration for an uncharged O atom. Two electrons must be added to O to form the ion $O^{2-}$. Add these electrons to its energy level and change the corresponding electron configuration.
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