Which of the following electronic configuration in the outermost shell is characterstic of alkali metals? A)`(n-1) s^(2) p^(6), ns^(2) p^(1)` B)`(n-1) s^(2)p^(6), d^(10), ns^(1)` C)`(n-1) s^(2)p^(6), ns^(1)` D)`(n-1) s^(2)p^(6), ns^(1)`

Options

A. `ns^2p^6d^1`
B. `(n-1)s^2p^6,ns^2p^1`
C. `(n-1)s^p^6,ns^2p^1`
D. `(n-1)^8ns^2np^1`

Answer

B