满意请采纳 谢谢~~
1 H 氢 1.0079
2 He 氦 4.0026
3 Li 锂 6.941
4 Be 铍 9.0122
5 B 硼 10.811
6 C 碳 12.011
7 N 氮 14.007
8 O 氧 15.999
9 F 氟 18.999
10 Ne 氖 20.17
11 Na 钠 22.9898
12 Mg 镁 24.305
13 Al 铝 26.982
14 Si 硅 28.085
15 P 磷 30.974
16 S 硫 32.06
17 Cl 氯 35.453
18 Ar 氩 39.94
19 K 钾 39.098
20 Ca 钙 40.08
21 Sc 钪 44.956
22 Ti 钛 47.9
23 V 钒 50.94
24 Cr 铬 51.996
25 Mn 锰 54.938
26 Fe 铁 55.84
27 Co钴 58.9332
28 Ni 镍 58.69
29 Cu 铜 63.54
30 Zn 锌 65.38
31 Ga 镓 69.72
32 Ge 锗 72.5
33 As 砷 74.922
34 Se 硒 78.9
35 Br 溴 79.904
36 Kr 氪 83.8
37 Rb 铷 85.467
38 Sr 锶 87.62
39 Y 钇 88.906
40 Zr 锆 91.22
41 Nb 铌 92.9064
42 Mo 钼 95.94
43 Tc 锝 (99)
44 Ru 钌 161.0
45 Rh 铑 102.906
46 Pd 钯 106.42
47 Ag 银 107.868
48 Cd 镉 112.41
49 In 铟 114.82
50 Sn 锡 118.6