The electronic configuration of an element is 1s ,2s 2p ,3s 3p 3d ,4s 4p 4d ,5s 5p . From which group of the period table, it belongs ? (KCET 2012)

The given configuration shows valence shell configuration as 2 3 5s ,5p . It has five electrons in the valence shell. It belongs to group VA (or 15) of periodic table.