1
H
1.008
|
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2
He
4.0026
|
3
Li
6.941
|
4
Be
9.0122
|
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5
B
10.811
|
6
C
12.011
|
7
N
14.007
|
2
O
15.999
|
8
F
18.998
|
9
Ne
20.18
|
11
Na
22.990
|
12
Mg
24.305 |
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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
40.078
|
21
Sc
44.956
|
22
Ti
47.867
|
23
V
50.942
|
24
Cr
51.996
|
25
Mn
54.938
|
26
Fe
55.845
|
27
Co
58.933
|
28
Ni
58.693
|
29
Cu
63.546
|
30
Zn
65.409
|
31
Ga
69.723
|
32
Ge
72.64
|
33
As
74.922
|
34
Se
78.96
|
35
Br
79.904
|
36
Kr
83.798
|
37
Rb
85.468
|
38
Sr
87.62
|
39
Y
88.906
|
40
Zr
91.224
|
41
Nb
92.906
|
42
Mo
95.94
|
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
118.71
|
51
Sb
121.76
|
52
Te
127.60
|
53
I
126.90
|
54
Xe
131.29
|
55
Cs
132.91
|
56
Ba
137.33
|
57-71
La-Lu
|
72
Hf
178.49
|
73
Ta
180.95
|
74
W
183.84
|
75
Re
186.21
|
76
Os
190.23
|
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
Ac-Lr
|
104
Rf
261
|
105
Db
262
|
106
Sg
266
|
107
Bh
264
|
108
Hs
277
|
109
Mt
268
|
110
Ds
281
|
111
Rg
272
|
112
Uub
285
|
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Click on the elements and number pads to type the molecular
formula and you get its molecular weight
|