ⅠAⅡAⅢBⅣBⅤ BⅥBⅦBⅧⅠBⅡBⅢAⅣAⅤAⅥAⅦA01 H氢2He氦3 Li锂4 Be铍5 B 硼6 C碳7 N氮8 O氧9 F氟10 Ne氖11 Na钠12Mg镁13 Al铝14 Si硅15P 磷16S硫17 Cl 氯18 Ar氩19 K钾20 Ca 钙21Sc钪22 Ti 钛23 V钒24 Cr铬25 Mn 锰26 Fe铁27 Co钴28 Ni镍29 Cu铜30 Zn锌31Ga镓32Ge锗33As砷34 Se硒35 Br溴36 Kr氪37Rb铷38Sr锶39 Y钇40Zr锆41Nb铌42Mo钼43Tc锝44Ru钌45Rh铑46Pd钯47Ag银48Cd镉49In铟50Sn锡51Sb锑52Te碲53I碘54Xe氙55Cs铯56Ba钡57~71镧系72Hf铪73Ta钽74W钨75Re铼76Os锇77Ir铱78Pt铂79Au金80Hg汞81Tl铊82Pb铅83Bi铋84Po钋85At砹86Rn氡87Fr钫88Ra镭89~103锕系104Rf鈩105Db钅杜106Sg钅喜107Bh钅波108Hs钅黑109Mt\u9fcf110Ds钅达111Rg钅仑112Cn\u9fd4113Nh鉨114Fl鈇115Mc镆116Lv鉝117Ts石田118Og气奥Uue