MTEL Chemistry Practice Questions - MTEL Chemistry (Field 67) Exam

What is the ground-state electron configuration of a neutral oxygen atom (Z = 8)?

1s2 2s2 2p4 1s2 2s2 2p6 1s2 2s4 2p2 1s2 2s2 2p2 3s2

1s2 2s2 2p4

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