1 H氫 1.0079
2 He氦 4.0026
3 Li 鋰 6.941
4 Be鈹 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 18.998
10 Ne氖 20.17
11 Na鈉 22.9898
12 Mg鎂 24.305
13 Al鋁 26.982
14 Si矽 28.085
15 P磷 30.974
16 S硫 32.06
17 Cl氯 35.453
18 Ar氬 39.94
19 K 鉀 39.098
20 Ca鈣 40.08
21 Sc鈧 44.956
22 Ti鈦 47.9
23 V釩 50.9415
24 Cr鉻 51.996
25 Mn錳 54.938
26 Fe鐵 55.84
27 Co鈷 58.9332
28 Ni鎳 58.69
29 Cu銅 63.54
30 Zn鋅 65.38
31 Ga鎵 69.72
32 Ge鍺 72.5
33 As砷 74.922
34 Se硒 78.9
35 Br溴 79.904
36 Kr氪 83.8
37 Rb銣 85.467
38 Sr鍶 87.62
39 Y釔 88.906
40 Zr鋯 91.22
41 Nb鈮 92.9064
42 Mo鉬 95.94
43 Tc鍀 (99)
44 Ru釕 161.0
45 Rh銠 102.906
46 Pd鈀 106.42
47 Ag銀 107.868
48 Cd鎘 112.41
49 In銦 114.82
50 Sn錫 118.6
51 Sb銻 121.7
52 Te碲 127.6
53 I碘 126.905
54 Xe氙 131.3
55 Cs銫 132.905
56 Ba鋇 137.33
57-71 La-Lu 鑭系
57 La鑭 138.905
58 Ce鈰 140.12
59 Pr鐠 140.91
60 Nd釹 144.2
61 Pm鉕 147
62 Sm釤 150.4
63 Eu銪 151.96
64 Gd釓 157.25
65 Tb鋱 158.93
66 Dy鏑 162.5
67 Ho鈥 164.93
68 Er鉺 167.2
69 Tm銩 168.934
70 Yb鐿 173.0
71 Lu鑥 174.96
72 Hf鉿 178.4
73 Ta鉭 180.947
74 W鎢 183.8
75 Re錸 186.207
76 Os鋨 190.2
77 Ir銥 192.2
78 Pt 鉑 195.08
79 Au金 196.967
80 Hg汞 200.5
81 Tl鉈 204.3
82 Pb鉛 207.2
83 Bi鉍 208.98
84 Po釙 (209)
85 At砹 (201)
86 Rn氡 (222)
87 Fr鈁 (223)
88 Ra鐳 226.03
89-103 Ac-Lr 錒系
89 Ac錒 227.03
90 Th釷 232.04
91 Pa鏷 231.04
92 U 鈾 238.03
93 Np鎿 237.05
94 Pu鈈 244
95 Am鎇 243
96 Cm鋦 247
97 Bk錇 247
98 Cf鐦 251
99 Es鎄 254
100 Fm鐨 257
101 Md鍆 258
102 No鍩 259
103 Lr鐒 260
104(261)
105(262）
106(263)
107(262)
108(265)
109(266)