1.

Which one of the following configurations represents a noble gas?A. `1s^(2)2s^(2)p^(6),3s^(2)`B. `1s^(2)2s^(2)p^(6),3s^(1)`C. `1s^(2)2s^(2)p^(6)`D. `1s^(2)2s^(2)p^(6),3s^(2)p^(6),4s^(2)`

Answer» Correct Answer - C


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