周 期 I A 11 H 氢 1.0079 IIA化学元素周期表 IIIA IVA VA VIA VIIA2 He 氦 4.0026 23 Li 锂 6.9414 Be 铍 9.01225 B 硼 10.8116 C 碳 12.0117 N 氮 14.0078 O 氧 15.9999 F 氟 18.99810 Ne 氖 20.17 311 Na 钠 22.989812 Mg 镁 24.305 IIIB IVB VB VIB VIIB VIII IB IIB13 Al 铝 26.98214 Si 硅 28.08515 P 磷 30.97416 S 硫 32.0617 Cl 氯 35.45318 Ar 氩 39.94 419 K 钾 39.09820 Ca 钙 40.0821 Sc 钪 44.95622 Ti 钛 47.923 V 钒 50.941524 Cr 铬 51.99625 Mn 锰 54.93826 Fe 铁 55.8427 Co 钴 58.933228 Ni 镍 58.6929 Cu 铜 63.5430 Zn 锌 65.3831 Ga 镓 69.7232 Ge 锗 72.5933 As 砷 74.921634 Se 硒 78.935 Br 溴 79.90436 Kr 氪 83.8 537 Rb 铷 85.46738 Sr 锶 87.6239 Y 钇 88.90640 Zr 锆 91.2241 Nb 铌 92.906442 Mo 钼 95.9443 Tc 锝 9944 Ru 钌 101.0745 Rh 铑 102.90646 Pd 钯 106.4247 Ag 银 107.86848 Cd 镉 112.4149 In 铟 114.8250 Sn 锡 118.651 Sb 锑 121.752 Te 碲 127.653 I 碘 126.90554 Xe 氙 131.3 655 Cs 铯 132.90556 Ba 钡 137.3357-71 La-Lu 镧系72 Hf 铪 178.473 Ta 钽 180.94774 W 钨 183.875 Re 铼 186.20776 Os 锇 190.277 Ir 铱 192.278 Pt 铂 195.0879 Au 金 196.96780 Hg 汞 200.581 Tl 铊 204.382 Pb 铅 207.283 Bi 铋 208.9884 Po 钋 (209)85 At 砹 (201)86 Rn 氡 (222) 787 Fr 钫 (223)88 Ra 镭 226.0389-103 Ac-Lr 锕系104 Rf 炉 (261)105 Db 𨧀 (262)106 Sg 𨭎 (266)107 Bh 𨨏 (264)108 Hs 𨭆 (269)109 Mt 䥑 (268)110 Ds 鐽 (271)111 Rg 錀 (272)112 Uub (285)113 Uut (284)114 Uuq (289)115 Uup (288)116 Uuh (292)117 Uus 118 Uuo
-------------------------------------------------------------------------------- 镧 系57 La 镧 138.90558 Ce 铈 140.1259 Pr 镨 140.9160 Nd 钕 144.261 Pm 钷 14762 Sm 钐 150.463 Eu 铕 151.9664 Gd 钆 157.2565 Tb 铽 158.9366 Dy 镝 162.567 Ho 钬 164.9368 Er 铒 167.269 Tm 铥 168.93470 Yb 镱 173.071 Lu 镥 174.96锕 系89 Ac 锕 (227)90 Th 钍 232.0391 Pa 镤 231.0392 U 铀 238.0293 Np 镎 237.0494 Pu 钚 (244)95 Am 镅 (243)96 Cm 锔 (247)97 Bk 锫 (247)98 Cf 锎 (251)99 Es 锿 (254)100 Fm 镄 (257)101 Md 钔 (258)102 No 锘 (259)103 Lr 铹 (260)