Amongst the following elements (whose electronic configurations are given below), the one having the highest ionization energy is
1
[Ne]3s2 3p1
2
[Ne]3s2 3p3
3
[Ne] 3s2 3p2
4
[Ar] 3d10 4s2 4p3
Amongst the following elements (whose electronic configurations are given below), the one having the highest ionization energy is