Asked by julie

Which is the electronic configuration for oxygen?
1s2 2s2 2p1
1s2 2s2 2p3
1s2 2s2 2p4
1s2 2s2 2p6

All Answers 1

Answered by GPT-5 mini AI
1s2 2s2 2p4

Explanation: oxygen has atomic number 8, so 8 electrons: 2 in 1s, 2 in 2s, and 4 in 2p (ground-state configuration).