1
1.01
Atomic Number
Atomic mass
2
4.00
3
6.94
4
9.01
5
10.81
6
12.01
7
14.01
8
16.00
9
19.00
10
20.18
11
22.99
12
24.31
13
26.98
14
28.09
15
30.97
16
32.06
17
35.45
18
39.95
19
39.10
20
40.08
21
44.96
22
47.90
23
50.94
24
52.00
25
54.94
26
55.85
27
58.93
28
58.71
29
63.55
30
65.38
31
69.72
32
72.59
33
74.92
34
78.96
35
79.90
36
83.80
37
85.47
38
87.62
39
88.91
40
91.22
41
92.91
42
95.94
43
(98)
44
101.07
45
102.91
46
106.4
47
107.87
48
112.40
49
114.82
50
118.69
51
121.75
52
127.60
53
126.90
54
131.30
55
132.91
56
137.34
57
138.91
72
178.49
73
180.95
74
183.85
75
186.21
76
190.2
77
192.22
78
195.09
79
196.97
80
200.59
81
204.37
82
207.2
83
208.96
84
(209)
85
(210)
86
(222)
87
(223)
88
226.03
89
(227)
104
(261)
105
(262)
106
(263)
107
108
(265)
109
(266)
110
(269)
111
(272)
112
(285)
113
(284)
58
140.11
59
140.91
60
144.24
61
(145)
62
150.36
63
151.96
64
157.25
65
158.92
66
162.50
67
164.93
68
167.26
69
168.93
70
173.04
71
174.97
90
232.04
91
231.04
92
238.03
93
237.05
94
(244)
95
(243)
96
(247)
97
98
(252)
99
100
(257)
101
(258)
102
(259)
103