Identify the generic outer electron configuration for the alkali metals.

$n{s}^{2}n{p}^2$

$n{s}^{2}n{p}^3$

$n{s}^{2}n{p}^4$

$n{s}^1$

$n{s}^2$

$n{s}^{2}n{p}^1$