1 H 氢 1.0079 | 2 He 氦 4.003 | ||||||||||||||||
3 Li 锂 6.941 | 4 Be 铍 9.012 | 5 B 硼 10.811 | 6 C 碳 12.011 | 7 N 氮 14.007 | 8 O 氧 15.999 | 9 F 氟 18.998 | 10 Ne 氖 20.180 | ||||||||||
11 Na 钠 22.990 | 12 Mg 镁 24.305 | 13 Al 铝 26.982 | 14 Si 硅 28.086 | 15 P 磷 30.974 | 16 S 硫 32.066 | 17 Cl 氯 35.453 | 18 Ar 氩 39.948 | ||||||||||
19 K 钾 39.098 | 20 Ca 钙 40.08 | 21 Sc 钪 44.956 | 22 Ti 钛 47.88 | 23 V 钒 50.942 | 24 Cr 铬 51.996 | 25 Mn 锰 54.938 | 26 Fe 铁 55.847 | 27 Co 钴 58.933 | 28 Ni 镍 58.69 | 29 Cu 铜 63.546 | 30 Zn 锌 65.39 | 31 Ga 镓 69.723 | 32 Ge 锗 72.61 | 33 As 砷 74.922 | 34 Se 硒 78.96 | 35 Br 溴 79.904 | 36 Kr 氪 83.80 |
37 Rb 铷 85.47 | 38 Sr 锶 87.62 | 39 Y 钇 88.906 | 40 Zr 锆 91.224 | 41 Nb 铌 92.906 | 42 Mo 钼 95.95 | 43 Tc 锝 (98) | 44 Ru 钌 101.07 | 45 Rh 铑 102.91 | 46 Pd 钯 106.42 | 47 Ag 银 107.87 | 48 Cd 镉 112.41 | 49 In 铟 114.82 | 50 Sn 锡 118.17 | 51 Sb 锑 121.75 | 52 Te 碲 127.60 | 53 I 碘 126.90 | 54 Xe 氙 131.29 |
55 Cs 铯 132.90 | 56 Ba 钡 137.33 | 57-71 镧系 | 72 Hf 铪 178.49 | 73 Ta 钽 180.95 | 74 W 钨 183.85 | 75 Re 铼 186.21 | 76 Os 锇 190.2 | 77 Ir 铱 192.22 | 78 Pt 铂 195.08 | 79 Au 金 196.97 | 80 Hg 汞 200.59 | 81 Tl 铊 204.38 | 82 Pb 铅 207.2 | 83 Bi 铋 208.98 | 84 Po 钋 (209) | 85 At 砹 (210) | 86 Rn 氡 (222) |
87 Fr 钫 (223) | 88 Ra 镭 (226) | 89-103 锕系 | 104 Rf 𬬻 (265) | 105 Db 𬭊 (268) | 106 Sg 𬭳 (271) | 107 Bh 𬭛 (270) | 108 Hs 𬭶 (277) | 109 Mt 鿏 (276) | 110 Ds 𫟼 (281) | 111 Rg 𬬭 (280) | 112 Cn 鎶 (285) | 113 Nh 鉨 (284) | 114 Fl 鈇 (289) | 115 Mc 镆 (288) | 116 Lv 鉝 (293) | 117 Ts 鿬 (294) | 118 Og 鿫 (294) |
57-71 镧系 | 57 La 镧 138.91 | 58 Ce 铈 140.12 | 59 Pr 镨 140.91 | 60 Nd 钕 144.24 | 61 Pm 钷 (145) | 62 Sm 钐 150.36 | 63 Eu 铕 151.96 | 64 Gd 钆 157.25 | 65 Tb 铽 158.92 | 66 Dy 镝 162.50 | 67 Ho 钬 164.93 | 68 Er 铒 167.26 | 69 Tm 铥 168.93 | 70 Yb 镱 173.04 | 71 Lu 镥 174.97 | ||
89-103 锕系 | 89 Ac 锕 (227) | 90 Th 钍 232.04 | 91 Pa 镤 231 | 92 U 铀 238.03 | 93 Np 镎 (237) | 94 Pu 钚 (244) | 95 Am 镅 (243) | 96 Cm 锔 (247) | 97 Bk 锫 (247) | 98 Cf 锎 (251) | 99 Es 锿 (252) | 100 Fm 镄 (257) | 101 Md 钔 (258) | 102 No 锘 (259) | 103 Lr 铹 (262) |