The characteristics of valence electronic configuration of atom in ground-state of the element are list below.Please figure out the location of the element and what is it? (1) it has two electrons in P orbitals. (2) It has two electrons with quantum numbers n=4 and l=0, and six electrons with quantum numbers n=3 and l=2. (3) its 3d orbitals are full filled, and its 4s orbital has one electron.