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