1 1
H
1.0079 2 18
He
4.0026 3 1
Li
6.941 4 2
Be
9.0122 5 13
B
10.811 6 14
C
12.01 7 15
N
14.00 8 16
O
15.99 9 17
F
18.99 10 18
Ne
20.17 11 1
Na
22.98 12 2
Mg
24.30 13 13
Al
26.981 14 14
Si
28.085 15 15
P
30.973 16 16
S
32.065 17 17
Cl
35.453 18 18
Ar
39.948 19 1
K
39.098 20 2
Ca
40.078 21 3
Sc
44.95 22 4
Ti
47.867 23 5
V
50.941 24 6
Cr
51.996 25 7
Mn
54.938 26 8
Fe
55.845 27 9
Co
58.933 28 10
Ni
58.6934 29 11
Cu
63.546 30 12
Zn
65.39 31 13
Ga
69.723 32 14
Ge
72.64 33 15
As
74.9216 34 16
Se
78.96 35 17
Br
79.904 36 18
Kr
83.8 37 1
Rb
85.467 38 2
Sr
87.62 39 3
Y
88.905 40 4
Zr
91.224 41 5
Nb
92.906 42 6
Mo
95.94 43 7
Tc
98 44 8
Ru
101.07 45 9
Rh
102.90 46 10
Pd
106.42 47 11
Ag
107.86 48 12
Cd
112.411 49 13
In
114.81 50 14
Sn
118.71 51 15
Sb
121.76 52 16
Te
127.6 53 17
I
126.90 54 18
Xe
131.293 55 1
Cs
132.905 56 2
Ba
137.327 57 3
La
138.905 72 4
Hf
178.49 73 5
Ta
180.94 74 6
W
183.84 75 7
Re
186.207 76 8
Os
190.23 77 9
Ir
192.217 78 10
Pt
195.078 79 11
Au
196.96 80 12
Hg
200.59 81 13
Tl
204.38 82 14
Pb
207.2 83 15
Bi
208.98 84 16
Po
209 85 17
At
210 86 18
Rn
222 87 1
Fr
223 88 2
Ra
226 89 3
Ac
227 104 4
Rf
261 105 5
Db
262 106 6
Sg
266 107 7
Bh
264 108 8
Hs
277 109 9
Mt
268