The general electron configuration for atoms of all elements in group 5a is

Well the elements would be N, P, As, Sb, and Bi. Their electron configuration would be N = [He] 2s2 2p3, P = 1s2 2s2 2p6 3s2 3p3, As = [Ar] 3d10 4s2 4p3, Sb = Kr 4d10 5s2 5p3, and Bi = Xe 4f14 5d10 6s2 6p3.