1,氫H 1 2,氦He 4
3.鋰Li 7
4.快9歲了
5.硼B 11
6.碳C 12
7.氮N 14
8.氧氣O 16
9.氟F 19
10,氖東北20
11,Na 23
12,鎂Mg 24
13,Al 27
14,Si 28
15,磷P 31
16,硫磺32
17,氯Cl 35.5
18,氬氬40
19,鉀39
21,鈣約40
22.鉻Cr 52
23,錳Mn 55
24.鐵Fe 56
25.鎳Ni 58.69
銅26,銅64
27.鋅Zn 65
28、鎵Ga 69.723(1
29,砷為75
30.硒硒79
31,溴溴80
32.銀Ag 108
33、鎘CD 112.4438+01(8
34、銦in114.438+08 (3
35.序列號118.7438+00 (7
36.Sb 121.760(1
37.碘I 127
38.銫Cs 133
39、巴巴137.327(7
40,鉑Pt 195.084(9
41,Au 196.966 569(4
42、水銀汞柱200.59(2
43.鐳Re 226