|
| |
|
Symbol
|
Mass
#
|
Atomic
Mass Units
|
Atomic
#
|
Neutrons
|
|
Au
|
197
|
196.966543
|
79
|
118
|
|
Au
|
198
|
197.968225
|
79
|
119
|
|
B
|
11
|
11.0093054
|
5
|
6
|
|
Ba
|
133
|
132.906003
|
56
|
77
|
|
Ba
|
137
|
136.905816
|
56
|
81
|
|
Be
|
7
|
7.016928
|
4
|
3
|
|
Bi
|
209
|
208.980374
|
83
|
126
|
|
Br
|
81
|
0
|
35
|
46
|
|
C
|
11
|
11.011433
|
6
|
5
|
|
C
|
13
|
13.00335483
|
6
|
7
|
|
C
|
14
|
14.00324199
|
6
|
8
|
|
Cd
|
111
|
110.904182
|
48
|
63
|
|
Cl
|
35
|
34.96885272
|
17
|
18
|
|
Co
|
57
|
56.936296
|
27
|
30
|
|
Co
|
59
|
58.933198
|
27
|
32
|
|
Co
|
60
|
59.93382
|
27
|
33
|
|
Cr
|
51
|
50.944772
|
24
|
27
|
|
Cs
|
133
|
132.905436
|
55
|
78
|
|
Cs
|
137
|
136.907085
|
55
|
82
|
|
F
|
18
|
18.000938
|
9
|
9
|
|
Fe
|
57
|
56.9353958
|
26
|
31
|
|
Fe
|
58
|
0
|
26
|
32
|
|
Ga
|
67
|
66.928205
|
31
|
36
|
|
H
|
3
|
3.016049268
|
1
|
2
|
|
He
|
3
|
3.01602931
|
2
|
1
|
|
Hg
|
198
|
197.966743
|
80
|
118
|
|
Hg
|
201
|
0
|
80
|
121
|
|
I
|
123
|
122.905605
|
53
|
70
|
|
I
|
125
|
124.904624
|
53
|
72
|
|
I
|
127
|
126.904474
|
53
|
74
|
|
I
|
131
|
130.906111
|
53
|
78
|
|
In
|
111
|
110.90511
|
49
|
62
|
|
In
|
113
|
0
|
49
|
64
|
|
Kr
|
82
|
0
|
36
|
46
|
|
Li
|
7
|
7.016003
|
3
|
4
|
|
Mo
|
99
|
98.907711
|
42
|
57
|
|
N
|
14
|
14.00307401
|
7
|
7
|
|
N
|
15
|
15.000108
|
7
|
8
|
|
N
|
13
|
13.005738
|
7
|
6
|
|
Na
|
22
|
21.994434
|
11
|
11
|
|
Ne
|
22
|
21.9913831
|
10
|
12
|
|
Ni
|
60
|
59.930789
|
28
|
32
|
|
Ni
|
62
|
0
|
28
|
34
|
|
O
|
15
|
15.003065
|
8
|
7
|
|
O
|
18
|
17.99916
|
8
|
10
|
|
P
|
32
|
31.973908
|
15
|
17
|
|
Pb
|
206
|
205.97444
|
82
|
124
|
|
Pb
|
207
|
206.975871
|
82
|
125
|
|
Pb
|
208
|
207.976627
|
82
|
126
|
|
Ra
|
224
|
224.020212
|
88
|
136
|
|
Rb
|
82
|
81.91821
|
37
|
45
|
|
Rn
|
220
|
220.011401
|
86
|
134
|
|
Ru
|
99
|
0
|
44
|
55
|
|
S
|
32
|
31.9720707
|
16
|
16
|
|
S
|
35
|
34.969033
|
16
|
19
|
|
Sn
|
112
|
0
|
50
|
62
|
|
Sn
|
114
|
0
|
50
|
64
|
|
Sn
|
115
|
0
|
50
|
65
|
|
Sn
|
116
|
0
|
50
|
66
|
|
Sn
|
117
|
0
|
50
|
67
|
|
Sn
|
118
|
0
|
50
|
68
|
|
Sn
|
119
|
0
|
50
|
69
|
|
Sn
|
120
|
119.902197
|
50
|
70
|
|
Sn
|
122
|
0
|
50
|
72
|
|
Sn
|
124
|
0
|
50
|
74
|
|
Sr
|
82
|
81.9184
|
38
|
44
|
|
Sr
|
89
|
88.907455
|
38
|
51
|
|
Tc
|
99
|
98.907
|
43
|
56
|
|
Te
|
125
|
124.9044285
|
52
|
73
|
|
Tl
|
201
|
200.97078
|
81
|
120
|
|
V
|
51
|
50.9439617
|
23
|
28
|
|
Xe
|
131
|
130.905072
|
54
|
77
|
|
Xe
|
133
|
134.905906
|
54
|
79
|
|
Y
|
90
|
89.907152
|
39
|
51
|
|
Zn
|
67
|
0
|
30
|
37
|
|
Zn
|
68
|
0
|
30
|
38
|
|
Zr
|
90
|
89.904702
|
40
|
50
|
|