|
I
|
II
|
III
|
IV
|
V
|
VI
|
VII
|
VIII
|
|
1
H Wasserstoff 1,0079 |
2
He Helium 4,0026 |
||||||
|
3
Li Lithium 6,941 |
4
Be Beryllium 9,0122 |
5
B Bor 10,811 |
6
C Kohlenstoff 12,011 |
7
N Stickstoff 14,007 |
8
O Sauerstoff 15,999 |
9
F Fluor 18,998 |
10
Ne Neon 20,179 |
|
1
Na Natrium 22,990 |
12
Mg Magnesium 24,305 |
13
Al Aluminium 26,982 |
14
Si Silicium 28,086 |
15
P Phosphor 30,974 |
16
S Schwefel 32,066 |
17
Cl Chlor 35,453 |
18
Ar Argon 39,948 |
|
19
K Kalium 39,098 |
20
Ca Calcium 40,078 |
31
Ga Gallium 69,723 |
32
Ge Germanium 72,61 |
33
As Arsen 74,922 |
34
Se Selen 78,76 |
35
Br Brom 79,904 |
36
Kr Krypton 83,90 |
|
37
Rb Rubidium 85,468 |
38
Sr Strontium 87,62 |
49
In Indium 114,82 |
50
Sn Zinn 118,71 |
51
Sb Antimon 121,75 |
52
Te Tellur 127,60 |
53
I Iod 126,90 |
54
Xe Xenon 131,29 |
|
55
Cs Cäsium 132,91 |
56
Ba Barium 137,33 |
81
Tl Thallium 208,38 |
82
Pb Blei 207,2 |
83
Bi Bismut 208,98 |
84
Po Polonium 208,98* |
85
At Astat 209,99* |
86
Rn Radon 222,09* |
|
87
Fr Francium 223,02* |
88
Ra Radium 226,03* |
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* steht für das stabilste Isotop eines radioaktiven Elementes