化学元素的离子半径Ionic Radiuses of Elements离子半径 (Ionic radius) /(X10-12pm)元素符号 (Symbol)原子序数 (Atomic number)1.2(+1)H113(+3)N723(+3)B535(+2)Be437(+6)S1638(+5)P1540(+4)Si1446(+7)Mn2550(+6)Se3452(+6)U9252(+6)Cr2453(+4)Ge3253.5(+3)Al1356(+6)Re7556(+7)Tc4358(+3)As3359(+5)V2360.5(+4)Ti2262(+6)W7462(+3)Ga3162.5(+4)Pt7862.5(+4)Ir7763(+4)Os7664(+5)Ta7364.5(+3)Fe2665(+6)Mo4268(+4)Rh4568(+4)Ru4469(+2)Ni2869(+5)Nb4169(+4)Sn5071(+4)Hf7272(+4)Zr4072(+2)Mg1273(+2)Cu2974(+2)Zn3074.5(+2)Co2774.5(+3)Sc2175(+6)Np9376(+1)Li376(+3)Sb5178(+5)Pa9180(+3)In4984.8(+3)Lu7185(+3)Au7985.8(+3)Yb7086(+2)Pd4686.9(+3)Tm6988.1(+3)Er6888.7(+4)Pu9490(+3)Y3990.1(+3)Ho6791.2(+3)Dy6692.3(+3)Tb6592.5(+3)Es9993.4(+3)Cf9893.8(+3)Gd6494.7(+3)Eu6394.9(+3)Bk9796.4(+3)Sm6297(+3)Cm9697(+4)Te5297(+2)Cd4897.2(+4)Th9097.9(+3)Pm6198.2(+3)Am9599(+2)Ca2099.5(+3)Nd60101.3(+3)Pr59102(+2)Hg80102(+1)Na11103(+3)Bi83103.4(+3)Ce58106.1(+3)La57110(+3)No102111.9(+3)Ac89112(+2)Sr38119(+2)Pb82126(+1)Ag47133(-1)F9135(+2)Ba56138(+1)K19140(-2)O8143(+2)Ra88150(+1)Tl81152(+1)Rb37167(+1)Cs55180(+1)Fr87181(-1)Cl17196(-1)Br35220(-1)I53230(-2)Po84离子半径数据（除注明外均为六配位，非六配位时以上标标注，如+3牝ls =低自旋，hs=高自旋。
卤）原子序数回元素名称回元素符号网离子半径pm3锂Li+1 764铍Be+2 455硼B+3 276碳C+4 16-34 1467氮N+3 16+5 138氧O-2 140氟-1 1339F+7 811钠Na+1 10212镁Mg+2 7213铝Al+3 53.514硅Si+4 40磷+3 4415P+5 38+3 64.5 hs+4 58.5+64 25+2 65 ls+2 74.5 hs27钴Co+3 54.5 ls+3 61 hs+4 53+2628镍Ni+3 56 ls+3 60 hs+4 48 Is+1729铜Cu+23+3 54 Is30锌Zn+2 7431镓Ga+3 6232锗Ge+2 73+4 5333砷As+3 58+5 46-2 19834硒Se+4 50+6 42-1 19635溴Br+34sq 59+54 31+7 3937铷Rb+1 15264钆Gd+3 93.865铽Tb+3 92.3+4 7666镝Dy+2 107+3 91.267钬Ho+3 90.168铒Er+3 8969铥Tm+2 103+3 8870镱Yb+2 102+3 86.871镥Lu+3 86.172铪Hf+4 71+3 7273钽Ta+4 68+5 64+4 6674钨W+5 62+6 60+4 6375铼Re+5 58+6 55+7 53+4 63+5 57.576锇Os+6 54.5+7 52.5+8439。