🦷 DAT Exam Prep

The electron configuration of oxygen (Z=8) is:

A 1s² 2s² 2p²
B 1s² 2s² 2p⁴
C 1s² 2s² 2p⁶
D 1s² 2s² 3p⁴

✓ Correct Answer: Option B

Oxygen has 8 electrons: 1s²(2) + 2s²(2) + 2p⁴(4) = 8 total electrons.

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