Периодическая таблица элементов
H
11.00794
He
34.002602
Li
6.941
Be
9.0122
B
10.81
C
12.011
N
14.00674
O
15.9994
F
18.998
Ne
20.1797
Na
22.9897
Mg
24.305
Al
26.98
Si
28.085
P
30.97
S
32.06
Cl
35.45
Ar
39.948
K
39.098
Ca
40.078
Sc
44.96
Ti
47.867
V
50.94
Cr
51.996
Mn
54.94
Fe
55.845
Co
58.93
Ni
58.69
Cu
63.55
Zn
65.38
Ga
69.723
Ge
72.63
As
74.92
Se
78.96
Br
79.9
Kr
83.798
Rb
85.47
Sr
87.62
Y
88.9
Zr
91.224
Nb
92.9
Rg
282.0
Mo
95.96
Tc
97.91
Ru
101.07
Rh
102.9
Pd
106.42
Ag
107.9
Cd
112.4
In
114.82
Sn
118.71
Sb
121.76
Te
127.6
I
126.9
Xe
131.29
Cs
132.9
Ba
137.327
Hf
178.49
Ta
180.9
W
183.84
Re
186.207
Os
190.23
Pt
195.084
Au
196.9
Hg
200.59
Tl
204.382
Pb
207.2
Bi
208.98
Po
208.98
At
210.0
Rn
222.02
Fr
223.0
Ra
226.0
Rf
267.0
Db
268.0
Sg
269.0
Bh
267.0
Hs
269.0
Mt
278.0
Ds
281.0
Cn
285.0
Nh
286.0
Fl
289.0
Mc
292.0
Lv
293.0
Ts
294.0
Og
294.0
Ce
140.116
Pr
140.9
Nd
144.2
Pm
144.9
Sm
150.36
Eu
151.96
Gd
157.25
Tb
158.93
Dy
162.5
Ho
164.9
Er
167.3
Tm
168.9
Yb
173.045
Lu
174.97
Th
232.04
Pa
231.04
U
238.02891
Np
237.048
Pu
244.0642
Am
243.0
Cm
247.0703
Bk
247.0703
Cf
251.0
Es
252.0
Fm
257.0
Md
258.0
No
259.0
Lr
266.0
La
138.9
Ir
192.217
Ac
227.03