元素周期表元素周期表 1H1.0082He4.00263Li6.944Be9.01225B10.816C12.0117N14.0078O15.9999F18.99810Ne20.1811Na22.9912Mg24.30513Al26.98214Si28.08515P30.97416S32.0617Cl35.4518Ar39.94819K39.09820Ca40.07821Sc44.95622Ti47.86723V50.94224Cr51.99625Mn54.93826Fe55.84527Co58.93328Ni58.69329Cu63.54630Zn65.3831Ga69.72332Ge72.6333As74.92234Se78.97135Br79.90436Kr83.79837Rb85.46838Sr87.6239Y88.90640Zr91.22441Nb92.90642Mo95.9543Tc9844Ru101.0745Rh102.9146Pd106.4247Ag107.8748Cd112.4149In114.8250Sn118.7151Sb121.7652Te127.653I126.954Xe131.2955Cs132.9156Ba137.3357-7172Hf178.4973Ta180.9574W183.8475Re186.2176Os190.2377Ir192.2278Pt195.0879Au196.9780Hg200.5981Tl204.3882Pb207.283Bi208.9884Po20985At21086Rn22287Fr22388Ra22689-103104Rf267105Db268106Sg269107Bh270108Hs277109Mt278110Ds281111Rg282112Cn285113Nh286114Fl289115Mc290116Lv293117Ts294118Og29457La138.9158Ce140.1259Pr140.9160Nd144.2461Pm14562Sm150.3663Eu151.9664Gd157.2565Tb158.9366Dy162.567Ho164.9368Er167.2669Tm168.9370Yb173.0571Lu174.9789Ac22790Th232.0491Pa231.0492U238.0393Np23794Pu24495Am24396Cm24797Bk24798Cf25199Es252100Fm257101Md258102No259103Lr266元素符号元素名称H序数1名称氢英文名称Hydrogen族1周期1相对原子质量1.008引自ChemWiki，致谢！和差化积、积化和差公式