化学元素的离子半径Ion ic Radiuses of Eleme nts离子半径(Ionic radius) /(x 10_1m,pm)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+34。
Is =低自旋，hs=高自旋⑵）原子序数345678911121314因元素名称 回元素符号 回离子半径pmHl锂Li+1 76被Be+2 45硼B+3 27碳C+4 16-34 146氮N+3 16+5 13氧O-2 140-1 133氟F+7 8钠Na+1 102镁Mg+2 72铝Al+3 53.5硅Si+4 40+3 44磷P+5 3820Ca+2 10021Sc+3 74.5-2 18416硫S+4 37+6 29-1 18117氯Cl+5 12+7 2719钾K+1 138+2 8622Ti+3 67+4 60.5 +2 6423+4 58+5 54 +2 73 Is +2 80 hs+3 61.524Cr+4 55+5 49 +6 44 +2 67 +3 58 ls+3 64.5 hs25Mn+4 53+54 33 +64 25.5+7 4626Fe+2 61+2 78+3 55lshsls+3 64.5 hs+4 58.5+64 25+2 65 ls+2 74.5 hs27钻Co+3 54.5 ls+3 61 hs+4 53+2628镣Ni+3 56 ls+3 60 hs+4 48 ls+1729铜Cu+27+3 54 ls30锌Zn+2 7431彳家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漠Br+34sq 59+54 31+7 3937铷Rb+1 15238锶Sr+2 11839钇Y+3 9040锆Zr+4 72+3 7241铌Nb+4 68+5 6442钼Mo+3 69+4 65+5 61+6 5943锝Tc+4 64.5+5 60+7 56+3 6844钉Ru+4 62+5 56.5+74 38+84 3645铑Rh+3 66.5+4 60+5 5546钯Pd+1259+2 86+3 76+4 61.547银Ag+1 115+2 94+3 7548镉Cd+2 95InSnSbTeXeCsBaLaCePrNdPmSmEu+3 80+2 112+4 69+3 76+5 60-2 221+4 97+6 56-1 220+5 95+7 53+8 48+1 167+2 135+3 103.2+3 102+4 87+3 99+4 85+82 129+3 98.3+3 97+42 122+3 95.8+2 11749505152535455565758596061626364钆Gd+393.8 +365铽Tb92.3 +4 76镝+2 10766Dy+391.267钦Ho+390.168铒Er+3 8969铥镱Tm+2 103+3 88+2 10270Yb+386.871镥Lu+386.172铪Hf+4 71+3 7273钽Ta+4 68+5 64+4 6674鸨W+5 62+6 60+4 63+5 5875铢Re+6 55+7 53+4 63+576锇Os舞554.5 +7 52.5+3 6877铱Ir+4 62.5+5 57+2 8678铂Pt+4 62.5+5 57+1 13779金Au+3 85+5 57+1 11980汞Hg+2 102+1 150铊Tl81+3 88.5+2 119铅Pb82+4 77.5+3 10383铋Bi+5 76+4 9484钋Po+6 6785砹At+7 6287钫Fr+1 18088镭Ra+2814889锕Ac+3 11290钍Th+4 94+3 10491镁Pa+4 90+5 7892+3 102.5+4 89+5 78+6 73+2 110+3 101+4 87+5 75+6 72+7 71+3 100+4 86+5 74+6 71+2812695Am+3 97.5+4 85+3 9796Cm+4 85+3 9697Bk+4 8398Cf+3 95+4 82.1。