16.1.1 The atom radii and ionization energy of the d-block elements 1.The position of the d-block elements in the periodic table 1 18 IA 0 2 131415 1617 H II A IⅢIA IVA VA YIA VIA He Li Be N 0 F Ne 3 6 8 9 1011 12 3 Na Mg IIIB IVB VB VIB VIB 四 IB IIB Si P cl Ax Ca Sc Ti Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sx Y Zx Nb o Ru Rh Cd In Sn Sb Te I Xe Ba La Ha Ta Re Pt Au Hg T Pb Bi Po At Rn Ra Ac Rf Db Bh Hs 铜系 Ce Px b Pm Sm Eu Gd Tb Dy Ho Ex Tm Yb Lu 钢系 h Pa Pu Am Cm Bk Cf Es Fm Md No 16.1.1 The atom radii and ionization energy of the d-block elements 1. The position of the d-block elements in the periodic table