# What is the ground-state electron configuration of O2^-?
1. (δ2s)^2(δ2s*)^2(π2p)^3(π2p*)^1
2. (δ2s)^2(δ2s*)^2(δ2p)^2(π2p)^3(π2p*)^2(π2p*)^2
3. (δ2s)^2(δ2s*)^2(δ2p)^2(π2p)^4(π2p*)^1(π2p*)^1
4. (δ2s)^2(δ2s*)^2(δ2p)^2(π2p)^4(π2p*)^2(π2p*)^1
5. (δ2s)^2(δ2s*)^2(π2p)^4(π2p*)^1

asked by

@nicolep148 •
4 months ago •

Chemistry
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Homonuclear Diatomic Molecules