PART A:Arrange the elements in decreasing order of first ionization energy.Rank from highest to lowest first ionization energy. To rank items as equivalent, overlap them.In, Ge, Se, CsPART B:Arrange the elements in order of decreasing first ionization energy. Rank from highest to lowest first ionization energy. To rank items as equivalent, overlap them.element x (radius (pm): 110)element y (radius (pm): 199)element z (radius (pm): 257)