Which of the following electronic structures belongs to a noble gas?

Which of the following electronic structures belongs to a noble gas?

Answer Details

The electronic structure of a noble gas has a completely filled outermost shell. Among the options, only 1s²2s²2p⁶3s²3p⁶, has a completely filled outermost shell. This electronic configuration corresponds to the noble gas argon (Ar). Therefore, is the correct answer.