What is the electronic configuration of a neutral oxygen atom?
Answer and explanation
Correct answer: A. 1s2 2s2 2p4
- Step 1: Oxygen has eight electrons. Answer: 1s2 2s2 2p4. Why not the others: 1s2 2s2 2p6, 1s2 2s2 2p2 and 1s2 2s2 2p3 don't fit.
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