2
He
4.0026
3
Li
6.941
4
Be
9.0122
5
B
10.811
10
Ne
20.1797
11
Na
22.9897
12
Mg
24.305
13
Al
26.9815
14
Si
28.0855
18
Ar
39.948
19
K
39.0983
20
Ca
40.078
21
Sc
44.9559
22
Ti
47.867
23
V
50.9415
24
Cr
51.9961
25
Mn
54.938
26
Fe
55.845
27
Co
58.9332
28
Ni
58.6934
29
Cu
63.546
30
Zn
65.39
31
Ga
69.723
32
Ge
72.64
33
As
74.9216
36
Kr
83.8
37
Rb
85.4678
38
Sr
87.62
39
Y
88.9059
40
Zr
91.224
41
Nb
92.9064
42
Mo
95.94
43
Tc
98
44
Ru
101.07
45
Rh
102.9055
46
Pd
106.42
47
Ag
107.8682
48
Cd
112.411
49
In
114.818
50
Sn
118.71
51
Sb
121.76
52
Te
127.6
54
Xe
131.293
55
Cs
132.9055
56
Ba
137.327
72
Hf
178.49
73
Ta
180.9479
74
W
183.84
75
Re
186.207
76
Os
190.23
77
Ir
196.9665
78
Pt
192.217
79
Au
195.078
80
Hg
200.59
81
Tl
204.3833
82
Pb
207.2
83
Bi
208.9804
84
Po
209
85
At
210
86
Rn
222
87
Fr
223
88
Ra
226
104
Rf
261
105
Db
262
106
Sg
266
107
Bh
264
108
Hs
277
109
Mt
268
110
Ds
261.9
111
Rg
271.8
112
Cn
285
113
Nh
286
114
Fl
289
115
Mc
288
116
Lv
293
117
Ts
260.9
118
Og
294
