原子(离子)半径(pm)周期表H32Li123Be89元素符号——B82———原子半径B82C77N70O66F64M+60M2+31共82—共价半径共82共77共75共73共71M3+20———离子半径M3+20M4+16M3-171M2-140x-1361A=100pmM5+11M6+9Na154Mg136Al118Si117P110S104Cl99M+95M2+65共118共118共110共102共99M3+50M4+42M3-212M2-184x-181M5+34M6+29K203Ca174Sc144Ti132V122Cr118Mn117Fe117Co116Ni115Cu117Zn125Ga126Ge122As121Se117Br114M+133M2+99M+96共126共122共122共117共114M2+90M2+88M2+84M2+80M2+76M2+74M2+72M2+72M2+74M+113M4+53M3-222M2-198x-195M3+81M3+76M3+74M3+69M3+66M3+64M3+63M3+62M3+62M2+73M3+69M6+42M4+68M5+47Rb216Sr191Y162Zr145Nb134Mo130Tc127Ru125Rh125Pd128Ag134Cd148In144Sn140Sb141Te137I133M+148M2+113共125共125共128M+126共144共141共143共135共133M4+80M5+70M6+62M2+81M2+80M2+85M2+89M2+97M+132M4+71M3-245M2-221x-216M3+81M2+93M3+92M6+56M5+62Cs235Ba198La-LuHf144Ta134W130Re128Os126Ir127Pt130Au134Hg144T1148Pb147Bi146Po146At145M+169M2+135共126共127共130M+137共148共154共152M4+79M5+69M6+62M2+88M2+92M2+124M2+110M+140M4+84M3+108M3+85M3+95M2+120M5+74La187.7共169M3+106.1Ce182.4共165M3+103.4M4+92Pr182.8共164M3+101.3M4+90Nd182.1共164M3+99.5Pm181.0共163M3+97.9Sm180.2共182M2+111M3+96.4Eu204.2共185M2+109M3+95.0Gd180.2共162M3+93.8Tb178.2共161M3+92.3M4+84Dy177.3共160M3+90.8Ho176.6共158M3+89.4Er175.7共158M3+88.1Tm74.6共158M2+94M3+86.9Yb194.0共170M2+93M3+85.8Lu173.4共158M3+84.8。