Which one of the following configuration represents a noble gas ?

Options

A. `1s^(2),2s^(2)2p^(6),3s^(2)`
B. `1s^(2),2s^(2)2p^(6),3s^(1)`
C. `1s^(2),2s^(2)2p^(6)`
D. `1s^(2),2s^(2)2p^(6),3s^(2)3p^(6),4s^(2)`

Answer

C

Explanation

`1s^(2)2s^(2)2p^(6) ` to neon