化学元素核外电子排布表

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1、元　素　核　外　电　子　排　布　表序数名称电子排布K.L.M.N.O.P.Q备注1氢Ｈ1s112氦He1s22[He]3锂Li[He]2s12.14铍Be[He]2s22.25硼Ｂ[He]2s22p12.36碳Ｃ[He]2s22p22.47氮Ｎ[He]2s22p32.58氧Ｏ[He]2s22p42.69氟Ｆ[He]2s22p52.710氖Ne[He]2s22p62.8[Ne]11钠Na[Ne]3s12.8.112镁Mg[Ne]3s22.8.213铝Al[Ne]3s23p12.8.314硅Si[Ne]3s23p22.8.415磷Ｐ[Ne]3s23p32.8

2、.516硫Ｓ[Ne]3s23p42.8.617氯Cl[Ne]3s23p52.8.718氩Ar[Ne]3s23p62.8.8[Ar]19钾Ｋ[Ar]4s12.8.8.120钙Ca[Ar]4s22.8.8.221钪Sc[Ar]4s23d12.8.9.222钛Ti[Ar]4s23d22.8.10.223钒Ｖ[Ar]4s23d32.8.11.224铬Cr[Ar]4s13d52.8.13.1d4->d5，注①半满25锰Mn[Ar]4s23d52.8.13.226铁Fe[Ar]4s23d62.8.14.227钴Co[Ar]4s23d72.8.15.228镍Ni[Ar

3、]4s23d82.8.16.229铜Cu[Ar]4s13d102.8.18.1d9->d10，注①全满30锌Zn[Ar]4s23d102.8.18.231镓Ga[Ar]4s23d104p12.8.18.332锗Ge[Ar]4s23d104p22.8.18.433砷As[Ar]4s23d104p32.8.18.534硒Se[Ar]4s23d104p42.8.18.635溴Br[Ar]4s23d104p52.8.18.736氪Kr[Ar]4s23d104p62.8.18.8[Kr]37铷Rb[Kr]5s12.8.18.8.138锶Sr[Kr]5s22.8.1

4、8.8.239钇Ｙ[Kr]5s24d12.8.18.9.240锆Zr[Kr]5s24d22.8.18.10.241铌Nb[Kr]5s14d42.8.18.12.1d3->d4，注①42钼Mo[Kr]5s14d52.8.18.13.1d4->d5，注①半满43锝Tc[Kr]5s24d52.8.18.13.244钌Ru[Kr]5s14d72.8.18.15.1d6->d7，注①45铑Rh[Kr]5s14d82.8.18.16.1d7->d8，注①46钯Pd[Kr]5s04d102.8.18.18.0d8->d10，注①全满47银Ag[Kr]5s14d102.

5、8.18.18.1d9->d10，注①全满48镉Cd[Kr]5s24d102.8.18.18.249铟In[Kr]5s24d105p12.8.18.18.350锡Sn[Kr]5s24d105p22.8.18.18.451锑Sb[Kr]5s24d105p32.8.18.18.552碲Te[Kr]5s24d105p42.8.18.18.653碘Ｉ[Kr]5s24d105p52.8.18.18.754氙Xe[Kr]5s24d105p62.8.18.18.8[Xe]55铯Cs[Xe]6s12.8.18.18.8.156钡Ba[Xe]6s22.8.18.18.8.

6、257镧La[Xe]6s24f05d12.8.18.18.9.2f1->f0，注②全空58铈Ce[Xe]6s24f15d12.8.18.19.9.2f2->f1，注②59镨Pr[Xe]6s24f32.8.18.21.8.260钕Nd[Xe]6s24f42.8.18.22.8.261钷Pm[Xe]6s24f52.8.18.23.8.262钐Sm[Xe]6s24f62.8.18.24.8.263铕Eu[Xe]6s24f72.8.18.25.8.264钆Gd[Xe]6s24f75d12.8.18.25.9.2f8->f7，注②半满65铽Tb[Xe]6s24f9

7、2.8.18.27.8.266镝Dy[Xe]6s24f102.8.18.28.8.267钬Ho[Xe]6s24f112.8.18.29.8.268铒Er[Xe]6s24f122.8.18.30.8.269铥Tm[Xe]6s24f132.8.18.31.8.270镱Yb[Xe]6s24f142.8.18.32.8.271镥Lu[Xe]6s24f145d12.8.18.32.9.272铪Hf[Xe]6s24f145d22.8.18.32.10.273钽Ta[Xe]6s24f145d32.8.18.32.11.274钨Ｗ[Xe]6s24f145d42.8.18

8、.32.12.275铼Re[Xe]6s24f145d52.8.18.32.13.