元素符号 元素周期表
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1 H 氢 1.0079 |
2 He 氦 4.003 |
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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 |
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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 |
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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 |
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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 |
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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) |
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87 Fr 钫 (223) |
88 Ra 镭 (226) |
89-103 锕系 |
104 Rf (265) |
105 Db (268) |
106 Sg (271) |
107 Bh (270) |
108 Hs (277) |
109 Mt (276) |
110 Ds (281) |
111 Rg (280) |
112 Cn 鎶 (285) |
113 Nh 鉨 (284) |
114 Fl 鈇 (289) |
115 Mc 镆 (288) |
116 Lv 鉝 (293) |
117 Ts 石田 (294) |
118 Og 气奥 (294) |
| 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 |
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| 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) |
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注：深绿色为非金属元素
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