附录Ⅱ　相对原子质量表

1、序数符号汉语日語拉丁语英语原子量电子排布K.L.M.N.O.P.Q备注1H氢水素()HydrogeniumHydrogen1.00794（7）1s112He氦HeliumHelium4.002602（2）1s22He3Li锂LithumLithium6.941（2）He2s12.14Be铍BerylliumBeryllium9.012182（3）He2s22.25B硼硼素()BoriumBoron10.811（5）He2s2 2p12.36C碳炭素()CarboniumCarbon12.011（1）He2s2 2p22.47N氮窒素()NitrogeniumNitrogen14.00674（7

2、）He2s2 2p32.58O氧酸素()OxygeniumOxygen15.9994（3）He2s2 2p42.69F氟弗素()FluorumFluorine18.9984032（9）He2s2 2p52.710Ne氖NeonumNeon20.1797（6）He2s2 2p62.8Ne11Na钠NatriumSodium22.989768（6）Ne3s12.8.112Mg镁MagnesiumMagnesium24.3050（6）Ne3s22.8.213Al铝AluminiumAluminum26.981539（5）Ne3s2 3p12.8.314Si硅珪素()SiliciumSilicon28

3、.0855（3）Ne3s2 3p22.8.415P磷燐()PhosphorumPhosphorus30.973762（4）Ne3s2 3p32.8.516S硫硫黄()SulphurSulfur32.066（6）Ne3s2 3p42.8.617Cl氯塩素()ChlorumChlorine35.4527（9）Ne3s2 3p52.8.718Ar氩ArgonumArgon39.948（1）Ne3s2 3p62.8.8Ar19K钾KaliumPotassium39.0983（1）Ar4s12.8.8.120Ca钙CalciumCalcium40.078（4）Ar4s22.8.8.221Sc钪Scand

4、iumScandium44.955910（9）Ar4s2 3d12.8.9.222Ti钛TitaniumTitanium47.88（3）Ar4s2 3d22.8.10.223V钒VanadiumVanadium50.9415（1）Ar4s2 3d32.8.11.224Cr铬ChromiumChromium51.9961（6）Ar4s1 3d52.8.13.1d4->d5，注半满25Mn锰ManganumManganese54.93805（1）Ar4s2 3d52.8.13.226Fe铁鉄()FerrumIron55.847（3）Ar4s2 3d62.8.14.227Co钴Cobaltum

5、Cobalt58.93320（1）Ar4s2 3d72.8.15.228Ni镍NiccolumNickel58.6934（2）Ar4s2 3d82.8.16.229Cu铜铜()CuprumCopper63.546（3）Ar4s1 3d102.8.18.1d9->d10，注全满30Zn锌亜铅()ZincumZinc65.39（2）Ar4s2 3d102.8.18.231Ga稼GalliumGallium69.723（1）Ar4s2 3d10 4p12.8.18.332Ge锗GermaniumGermanium72.61（2）Ar4s2 3d10 4p22.8.18.433As砷砒素()Ar

6、seniumArsenic74.92159（2）Ar4s2 3d10 4p32.8.18.534Se硒SeleniumSelenium78.96（3）Ar4s2 3d10 4p42.8.18.635Br溴臭素()BromiumBromine79.904（1）Ar4s2 3d10 4p52.8.18.736Kr氪KryptomumKrypton83.80（1）Ar4s2 3d10 4p62.8.18.8Kr37Rb铷RubidiumRubidium85.4678（3）Kr5s12.8.18.8.138Sr锶StrontiumStrontium87.62（7）Kr5s22.8.18.8.239Y钇

7、YttriumYttrium88.90585（2）Kr5s2 4d12.8.18.9.240Zr锆ZirconiumZirconium91.224（2）Kr5s2 4d22.8.18.10.241Nb铌NiobiumNiobium92.90638（2）Kr5s1 4d42.8.18.12.1d3->d4，注42Mo钼MolybdenumMolybdenum95.94（1）Kr5s1 4d52.8.18.13.1d4->d5，注半满43Tc锝TechnetiumTechnetium（98）Kr5s2 4d52.8.18.13.244Ru钌RutheniumRuthenium101.0

8、7（2）Kr5s1 4d72.8.18.15.1d6->d7，注45Rh铑RhodiumRhodium102.90550（3）Kr5s1 4d82.8.18.16.1d7->d8，注46Pd钯PalladiumPalladium106.42（1）Kr5s0 4d102.8.18.18.0d8->d10，注全满47Ag银银()ArgentumSilver107.8632（2）Kr5s1 4d102.8.18.18.1d9->d10，注全满48Cd镉CadmiumCadmium112.411（8）Kr5s2 4d102.8.18.18.249In铟indiumIndium1

9、14.82（1）Kr5s2 4d10 5p12.8.18.18.350Sn锡锡()StannumTin118.710（7）Kr5s2 4d10 5p22.8.18.18.451Sb锑StibiumAntimony121.757（3）Kr5s2 4d10 5p32.8.18.18.552Te碲TellurumTellurium127.60（3）Kr5s2 4d10 5p42.8.18.18.653I碘沃素()IodiumIodine126.90447（3）Kr5s2 4d10 5p52.8.18.18.754Xe氙XenonumXenon131.29（2）Kr5s2 4d10 5p62.8.18

10、.18.8Xe55Cs铯CaesiumCesium132.90543（5）Xe6s12.8.18.18.8.156Ba钡BaryumBarium137.327（7）Xe6s22.8.18.18.8.257La镧LanthanumLanthanum138.9055（2）Xe6s2 4f0 5d12.8.18.18.9.2f1->f0，注全空58Ce铈CeriumCerium140.115（4）Xe6s2 4f1 5d12.8.18.19.9.2f2->f1，注59Pr镨PraseodymiumPraseodymium140.90765（3）Xe6s2 4f32.8.18.21.8.2

11、60Nd钕NeodymiumNeodymium144.24（3）Xe6s2 4f42.8.18.22.8.261Pm钷PromethiumPromethium（145）Xe6s2 4f52.8.18.23.8.262Sm钐SamariumSamarium150.36（3）Xe6s2 4f62.8.18.24.8.263Eu铕EuropiumEuropium151.965（9）Xe6s2 4f72.8.18.25.8.264Gd钆GadoliniumGadolinium157.25（3）Xe6s2 4f7 5d12.8.18.25.9.2f8->f7，注半满65Tb铽TerbiumTerb

12、ium158.92534（3）Xe6s2 4f92.8.18.27.8.266Dy镝DysprosiumDysprosium162.50（3）Xe6s2 4f102.8.18.28.8.267Ho钬HolmiumHolmium164.93032（3）Xe6s2 4f112.8.18.29.8.268Er铒ErbiumErbium167.26（3）Xe6s2 4f122.8.18.30.8.269Tm铥ThuliumThulium168.9342（3）Xe6s2 4f132.8.18.31.8.270Yb镱YtterbiumYtterbium173.04（3）Xe6s2 4f142.8.18.3

13、2.8.271Lu镥LutetiumLutetium174.967（1）Xe6s2 4f14 5d12.8.18.32.9.272Hf铪HafniumHafnium178.49（2）Xe6s2 4f14 5d22.8.18.32.10.273Ta钽TantalumTantalum180.9479（1）Xe6s2 4f14 5d32.8.18.32.11.274W钨WolframTungsten183.85（3）Xe6s2 4f14 5d42.8.18.32.12.275Re铼二RheniumRhenium186.207（1）Xe6s2 4f14 5d52.8.18.32.13.276Os锇Os

14、miumOsmium190.2（1）Xe6s2 4f14 5d62.8.18.32.14.277Ir铱IridiumIridium192.22（3）Xe6s2 4f14 5d72.8.18.32.15.278Pt铂白金()PlatinumPlatinum195.08（3）Xe6s1 4f14 5d92.8.18.32.17.1d8->d9，注79Au金金()AurumGold196.96654（3）Xe6s1 4f14 5d102.8.18.32.18.1d9->d10，注全满80Hg汞水银()HydrargyrumMercury200.59（2）Xe6s2 4f14 5d102.

15、8.18.32.18.281Tl铊ThalliumThallium204.3833（2）Xe6s2 4f14 5d10 6p12.8.18.32.18.382Pb铅铅()PlumbumLead207.2（1）Xe6s2 4f14 5d10 6p22.8.18.32.18.483Bi铋BismuthumBismuth208.98037（3）Xe6s2 4f14 5d10 6p32.8.18.32.18.5注84Po钋PoloniumPolonium（209）Xe6s2 4f14 5d10 6p42.8.18.32.18.685At砹AstatiumAstatine（210）Xe6s2 4f14

16、5d10 6p52.8.18.32.18.786Rn氡RadonRadon（222）Xe6s2 4f14 5d10 6p62.8.18.32.18.8Rn87Fr钫FranciumFrancium（223）Rn7s12.8.18.32.18.8.188Ra镭RadiumRadium（226）Rn7s22.8.18.32.18.8.289Ac锕ActiniumActinium（227）Rn7s2 5f0 6d12.8.18.32.18.9.290Th钍ThoriumThorium232.0381（1）Rn7s2 5f0 6d22.8.18.32.18.10.291Pa镤ProtactiniumP

17、rotactinium231.0588（2）Rn7s2 5f2 6d12.8.18.32.20.9.2f1->f0，注全空92U铀UraniumUranium238.02891（3）Rn7s2 5f3 6d12.8.18.32.21.9.2f2->f0，注全空93Np镎NeptuniumNeptunium（237）Rn7s2 5f4 6d12.8.18.32.22.9.2f3->f2，注94Pu钚PlutoniumPlutonium（244）Rn7s2 5f62.8.18.32.24.8.2f4->f3，注95Am镅AmericiumAmericium（243）Rn7s

18、2 5f72.8.18.32.25.8.2f5->f4，注96Cm锔CuriumCurium（247）Rn7s2 5f7 6d12.8.18.32.25.9.297Bk锫BerkeliumBerkelium（247）Rn7s2 5f92.8.18.32.27.8.298Cf锎CaliforniumCalifornium（251）Rn7s2 5f102.8.18.32.28.8.2f8->f7，注半满99*Es锿EinsteiniumEinsteinium（252）Rn7s2 5f112.8.18.32.29.8.2100*Fm镄FermiumFermium（257）Rn7s2 5f

19、122.8.18.32.30.8.2101*Md钔MendeleviumMendelevium（258）Rn7s2 5f132.8.18.32.31.8.2102*No锘NobeliumNobelium（259）Rn7s2 5f142.8.18.32.32.8.2103*Lr铹LawrenciumLawrencium（262）Rn7s2 5f14 6d12.8.18.32.32.9.2104*Rf钅卢RutherfordiumRutherfordium（265）Rn7s2 5f14 6d22.8.18.32.32.10.2105*Db钅杜DubniumDubnium（268）Rn7s2 5f1

20、4 6d32.8.18.32.32.11.2106*Sg钅喜SeaborgiumSeaborgium（271）Rn7s2 5f14 6d42.8.18.32.32.12.2107*Bh钅波BohriumBohrium（270）Rn7s2 5f14 6d52.8.18.32.32.13.2108*Hs钅黑HassiumHassium（277）Rn7s2 5f14 6d62.8.18.32.32.14.2109*Mt钅麦MeitneriumMeitnerium（266）Rn7s2 5f14 6d72.8.18.32.32.15.2110*Ds钅达DarmstadtiumDarmstadtium（281）Rn7s1 5f14 6d92.8.18.32.32.17.1111*Rg钅仑RoentgeniumRoentgenium（280）Rn7s1 5f14 6d102.8.18.32.32.18.1112*Cn钅哥CoperniciumCopernicium（285）Rn7s2 5f14