Which element has the following electron configuration:
[tex]
1 s^2 2 s^2 2 p^6 3 s^2 3 p^6 \quad 4 s^2 \quad 3 d^{10} 4 p^3
[/tex]
a. [tex]\mathrm{Pb}[/tex]
b. As
c. [tex]\mathrm{Sb}[/tex]
d. P
e. Se