族周期ⅠA11H元 素 周 期 表ⅡA42 1氢11s原子序数元素名称注*的是人造元素92U元素符号，红色指放射性元素1.0083Li21Be锂2s1铍2s2铀5f36d17s2238.0图例：外围电子层排布,括号指可能的电子层排布ⅢA5ⅣA6-424ⅤA7-312ⅥA8-2-1BCN金属过渡元素非金属36.9419.01211Na12Mg31相对原子质量ⅥB2423610.8113Al32s22p1硼铝212.0114Si242s22p2碳硅214.0115P-3352s22p3氮磷2345O16.0016S-2462s22p4氧硫硒碲钋钠3s12镁3s222.9919K4124.3120Ca2ⅢB21Sc3ⅣB22234ⅤB2323ⅦB25Mn26123ⅤⅢ467ⅠB23ⅡBTi22V45Cr51Fe622723Co28728Ni29Cu30Zn1226.9831Ga33s3p128.0930.9732.0732Ge33As34Se243s3p23s3p33s23p4钾4s1钙4s2钪139.1040.0837Rb38Sr5144.9639Y33d4s2钛锆铪钒347.8740Zr2343d4s铷5s12锶5s285.4755Cs6187.6256Ba288.9157-714d15s2钇50.9452.00.9441Nb42Mo43Tc22353d4s2铬钼钨锰5233d4s3d4s2铁3d4s钴铑铱镍钯铂91.2272Hf44d25s292.9173Ta3d 5s1铌钽23595.9474W2345d55s1[97.99]75Re-1124d55s2锝铼6755.84Ru12358.9345Rh234563d4s58.6963.5565.3946Pd47Ag48Cd234123d4s2铜1023d4s1锌103d4s2镓269.7249In1234s4p1锗272.6374.9278.9650Sn51Sb52Te244s4p2-335砷24s4p3-24s24p4101.176Os344d75s1钌锇45102.977Ir34d85s1106.478Pt2344d10107.9112.4114.879Au80Hg81Tl134d105s1银金24d105s2镉汞5s25p1铟铊118.7121.882Pb83Bi245s25p2锡铅-3355s25p3锑铋-246127.684Po-22465s25p4铯6s1钡6s2La-Lu3468121335132.987Fr71137.388Ra2镧系Ac-Lr5d26s2-103104Rf105Db106Sg178.55d36s2180.95d46s2183.85d56s2186.21075d66s2108钫[223]7s1镭[226]7s2锕系59(6d7s) *22 *32 *42 *52Bh190.25d76s2109 *62Hs192.25d96s1[267](6d7s)[268](6d7s)[269](6d7s)[270](6d7s)[269](6d7s)鿏*72Mt195.11105d106s1 *82Ds197.01115d106s2 *92Rg200.66s26p111311210Cn2204.46s26p2114Nh207.2鿏*[285]*(6d107s27p1)[278](6d7s)[281](6d7s)[281](6d 7s)(6d107s27p2)𫓧*Fl209.01156s26p3Mc[209.2]1166s26p4Lv镆*(6d107s27p3)𫟷*(6d107s27p4)[286][2][288][293]注:镧系锕系57La58CePr60Nd61Pm62Sm63EuGd65Tb66Dy67Ho68Er69Tm70Yb71Lu1.相对原子镧5d16s2铈4f15d16s2镨140.991Pa4f36s2钕144.292U4f46s2钷4f56s2钐4f66s2铕4f76s2钆4f75d16s2铽4f96s2镝4f106s2钬4f116s2铒4f126s2铥4f136s2镱4f146s2镥4f145d16s24位有效数字138.9140.1Ac90Th[147]150.493Np94Pu152.0157.3158.9162.595Am96Cm97Bk98Cf1.9167.3168.9173.0175.099Es100Fm101Md102No103Lr2.相对原子长的同位素的锕227.06d17s2钍232.06d27s2镤5f26d17s2铀5f36d17s2镎5f46d17s2钚[244]5f67s2镅*[243]5f77s2锔*5f76s17s2锫*[247]5f97s2锎*5f107s2锿*5f117s2镄*5f127s2钔*(5f137s2)锘*(5f147s2)铹*(5f146d17s2)3.新元素名名词审定委员231.0238.0237.0[247][251][252][257][258][259][260]《113号、1
