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

Assessment: WAEC SSCE - Chemistry - 1994 (Objective) Subject: Chemistry

Question 1 Report

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.

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