Question
Which element or ion listed below has the electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6?
Which element or ion listed below has the electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6?
1. S
2. Ne
3. Cl
4. S2-
5. none of these
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The correct answer is 5. none of these.
The electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 corresponds to the noble gas configuration of argon (Ar).
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