Identify the atom from the electron configuration:

a$.1s^{2}2s^{2}2p^3$

b$.1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{6}4s^2$

$1s^{2}2s^{2}2p^{6}3s^1$

d$.1s^{2}2s^{2}2p^{6}3s^{2}3p^5$

e$.[Ne]3s^{2}3p^1$