Periodic Table
H
1
1.008
1
1.008
He
2
4.0026
2
4.0026
Li
3
6.94
3
6.94
Be
4
9.0122
4
9.0122
B
5
10.81
5
10.81
C
6
12.011
6
12.011
N
7
14.007
7
14.007
O
8
15.999
8
15.999
F
9
18.998
9
18.998
Ne
10
20.180
10
20.180
Na
11
22.990
11
22.990
Mg
12
24.305
12
24.305
Al
13
26.982
13
26.982
Si
14
28.085
14
28.085
P
15
30.974
15
30.974
S
16
32.06
16
32.06
Cl
17
35.45
17
35.45
Ar
18
39.948
18
39.948
K
19
39.098
19
39.098
Ca
20
40.078
20
40.078
Sc
21
44.956
21
44.956
Ti
22
47.867
22
47.867
V
23
50.942
23
50.942
Cr
24
52.00
24
52.00
Mn
25
54.938
25
54.938
Fe
26
55.845
26
55.845
Co
27
58.933
27
58.933
Ni
28
58.693
28
58.693
Cu
29
63.546
29
63.546
Zn
30
65.38
30
65.38
Ga
31
69.723
31
69.723
Ge
32
72.63
32
72.63
As
33
74.922
33
74.922
Se
34
78.971
34
78.971
Br
35
79.904
35
79.904
Kr
36
83.798
36
83.798
Rb
37
85.468
37
85.468
Sr
38
87.62
38
87.62
Y
39
88.906
39
88.906
Zr
40
91.224
40
91.224
Nb
41
92.906
41
92.906
Mo
42
95.95
42
95.95
Tc
43
98
43
98
Ru
44
101.07
44
101.07
Rh
45
102.91
45
102.91
Pd
46
106.42
46
106.42
Ag
47
107.87
47
107.87
Cd
48
112.41
48
112.41
In
49
114.82
49
114.82
Sn
50
118.71
50
118.71
Sb
51
121.76
51
121.76
Te
52
127.60
52
127.60
I
53
126.90
53
126.90
Xe
54
131.29
54
131.29
Cs
55
132.91
55
132.91
Ba
56
137.33
56
137.33
La
57
138.91
57
138.91
Ce
58
140.12
58
140.12
Pr
59
140.91
59
140.91
Nd
60
144.24
60
144.24
Pm
61
145
61
145
Sm
62
150.36
62
150.36
Eu
63
152.00
63
152.00
Gd
64
157.25
64
157.25
Tb
65
158.93
65
158.93
Dy
66
162.50
66
162.50
Ho
67
164.93
67
164.93
Er
68
167.26
68
167.26
Tm
69
168.93
69
168.93
Yb
70
173.04
70
173.04
Lu
71
175.00
71
175.00
Rf
104
267
104
267
Db
105
270
105
270
Sg
106
271
106
271
Bh
107
270
107
270
Hs
108
277
108
277
Mt
109
276
109
276
Ds
110
281
110
281
Rg
111
280
111
280
Cn
112
285
112
285
Uut
113
284
113
284
Fl
114
289
114
289
Uup
115
288
115
288
Lv
116
293
116
293
Uus
117
294
117
294
Uuo
118
294
118
294
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