1
H

1.0079
2
He

4.003
3
Li

6.941
4
Be

9.012
5
B

10.811
6
C

12.011
7
N

14.007
8
O

15.999
9
F

18.998
10
Ne

20.180
11
Na

22.990
12
Mg

24.305
13
Al

26.982
14
Si

28.086
15
P

30.974
16
S

32.066
17
Cl

35.453
18
Ar

39.948
19
K

39.098
20
Ca

40.08
21
Sc

44.956
22
Ti

47.88
23
V

50.942
24
Cr

51.996
25
Mn

54.938
26
Fe

55.847
27
Co

58.933
28
Ni

58.69
29
Cu

63.546
30
Zn

65.39
31
Ga

69.723
32
Ge

72.61
33
As

74.922
34
Se

78.96
35
Br

79.904
36
Kr

83.80
37
Rb

85.47
38
Sr

87.62
39
Y

88.906
40
Zr

91.224
41
Nb

92.906
42
Mo

95.95
43
Tc

(98)
44
Ru

101.07
45
Rh

102.91
46
Pd

106.42
47
Ag

107.87
48
Cd

112.41
49
In

114.82
50
Sn

118.17
51
Sb

121.75
52
Te

127.60
53
I

126.90
54
Xe

131.29
55
Cs

132.90
56
Ba

137.33
57-71
镧系
72
Hf

178.49
73
Ta

180.95
74
W

183.85
75
Re

186.21
76
Os

190.2
77
Ir

192.22
78
Pt

195.08
79
Au

196.97
80
Hg

200.59
81
Tl

204.38
82
Pb

207.2
83
Bi

208.98
84
Po

(209)
85
At

(210)
86
Rn

(222)
87
Fr

(223)
88
Ra

(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

(276)
110
Ds
𫟼
(281)
111
Rg
𬬭
(280)
112
Cn

(285)
113
Nh

(284)
114
Fl

(289)
115
Mc

(288)
116
Lv

(293)
117
Ts
石田
(294)
118
Og
气奥
(294)
 
  镧系 57
La

138.91
58
Ce

140.12
59
Pr

140.91
60
Nd

144.24
61
Pm

(145)
62
Sm

150.36
63
Eu

151.96
64
Gd

157.25
65
Tb

158.92
66
Dy

162.50
67
Ho

164.93
68
Er

167.26
69
Tm

168.93
70
Yb

173.04
71
Lu

174.97
 
  锕系 89
Ac

(227)
90
Th

232.04
91
Pa

231
92
U

238.03
93
Np

(237)
94
Pu

(244)
95
Am

(243)
96
Cm

(247)
97
Bk

(247)
98
Cf

(251)
99
Es

(252)
100
Fm

(257)
101
Md

(258)
102
No

(259)
103
Lr

(262)