| Atommassen |
| Metalle |
|
|
|
| Element |
Symbol |
Ordnungszahl |
Atommasse (in u) |
| Actinium |
Ac |
89 |
227 |
| Aluminium |
Al |
13 |
26,9815382 |
| Americium |
Am |
95 |
243 |
| Barium |
Ba |
56 |
137,3277 |
| Berkelium |
Bk |
97 |
247 |
| Beryllium |
Be |
4 |
9,0121823 |
| Bismut |
Bi |
83 |
208,980382 |
| Blei |
Pb |
82 |
207,21 |
| Bohrium |
Bh |
107 |
264 |
| Cadmium |
Cd |
48 |
112,4118 |
| Caesium |
Cs |
55 |
132,905452 |
| Calcium |
Ca |
20 |
40,0784 |
| Californium |
Cf |
98 |
251 |
| Cer |
Ce |
58 |
140,1161 |
| Chrom |
Cr |
24 |
51,99616 |
| Cobalt |
Co |
27 |
58,9332009 |
| Curium |
Cm |
96 |
247 |
| Darmstadtium |
Ds |
110 |
281 |
| Dubnium |
Db |
105 |
262 |
| Dysprosium |
Dy |
66 |
162,5001 |
| Einsteinium |
Es |
99 |
252 |
| Eisen |
Fe |
26 |
55,8452 |
| Erbium |
Er |
68 |
167,2593 |
| Europium |
Eu |
63 |
151,9641 |
| Fermium |
Fm |
100 |
257 |
| Francium |
Fr |
87 |
223 |
| Gadolinium |
Gd |
64 |
157,253 |
| Gallium |
Ga |
31 |
69,7231 |
| Gold |
Au |
79 |
196,966552 |
| Hafnium |
Hf |
72 |
178,492 |
| Hassium |
Hs |
108 |
277 |
| Holmium |
Ho |
67 |
164,930322 |
| Indium |
In |
49 |
114,8183 |
| Iridium |
Ir |
77 |
192,2173 |
| Kalium |
K |
19 |
39,09831 |
| Kupfer |
Cu |
29 |
63,5463 |
| Lanthan |
La |
57 |
138,90552 |
| Lawrencium |
Lr |
103 |
262 |
| Lithium |
Li |
3 |
6,9412 |
| Lutetium |
Lu |
71 |
174,9671 |
| Magnesium |
Mg |
12 |
24,30506 |
| Mangan |
Mn |
25 |
54,9380499 |
| Meitnerium |
Mt |
109 |
268 |
| Mendelevium |
Md |
101 |
258 |
| Molybdän |
Mo |
42 |
95,942 |
| Natrium |
Na |
11 |
22,9897702 |
| Neodym |
Nd |
60 |
144,243 |
| Neptunium |
Np |
93 |
237 |
| Nickel |
Ni |
28 |
58,69342 |
| Niob |
Nb |
41 |
92,906382 |
| Nobelium |
No |
102 |
259 |
| Osmium |
Os |
76 |
190,233 |
| Palladium |
Pd |
46 |
106,421 |
| Platin |
Pt |
78 |
195,0782 |
| Plutonium |
Pu |
94 |
244 |
| Polonium |
Po |
84 |
209 |
| Praseodym |
Pr |
59 |
140,907652 |
| Promethium |
Pm |
61 |
145 |
| Protactinium |
Pa |
91 |
231,035882 |
| Quecksilber |
Hg |
80 |
200,592 |
| Radium |
Ra |
88 |
226 |
| Rhenium |
Re |
75 |
186,2071 |
| Rhodium |
Rh |
45 |
102,905502 |
| Roentgenium |
Rg |
111 |
272 |
| Rubidium |
Rb |
37 |
85,46783 |
| Ruthenium |
Ru |
44 |
101,072 |
| Rutherfordium |
Rf |
104 |
261 |
| Samarium |
Sm |
62 |
150,363 |
| Scandium |
Sc |
21 |
44,9559108 |
| Seaborgium |
Sg |
106 |
266 |
| Silber |
Ag |
47 |
107,86822 |
| Strontium |
Sr |
38 |
87,621 |
| Tantal |
Ta |
73 |
180,94791 |
| Technetium |
Tc |
43 |
98 |
| Terbium |
Tb |
65 |
158,925342 |
| Thallium |
Tl |
81 |
204,38332 |
| Thorium |
Th |
90 |
232,03811 |
| Thulium |
Tm |
69 |
168,934212 |
| Titan |
Ti |
22 |
47,8671 |
| Uran |
U |
92 |
238,028913 |
| Vanadium |
V |
23 |
50,94151 |
| Wolfram |
W |
74 |
183,841 |
| Ytterbium |
Yb |
70 |
173,043 |
| Yttrium |
Y |
39 |
88,905852 |
| Zink |
Zn |
30 |
65,4094 |
| Zinn |
Sn |
50 |
118,7107 |
| Zirconium |
Zr |
40 |
91,2242 |
| Halbmetalle |
|
|
|
| Antimon |
Sb |
51 |
121,7601 |
| Arsen |
As |
33 |
74,921602 |
| Astat |
At |
85 |
210 |
| Bor |
B |
5 |
10,8117 |
| Germanium |
Ge |
32 |
72,641 |
| Selen |
Se |
34 |
78,963 |
| Silicium |
Si |
14 |
28,08553 |
| Tellur |
Te |
52 |
127,603 |
| Nichtmetalle |
|
|
|
| Brom |
Br |
35 |
79,9041 |
| Chlor |
Cl |
17 |
35,4532 |
| Fluor |
F |
9 |
18,99840325 |
| Iod |
I |
53 |
126,904473 |
| Kohlenstoff |
C |
6 |
12,01078 |
| Phosphor |
P |
15 |
30,9737612 |
| Sauerstoff |
O |
8 |
15,99943 |
| Schwefel |
S |
16 |
32,0655 |
| Stickstoff |
N |
7 |
14,00672 |
| Wasserstoff |
H |
1 |
1,007947 |
| Edelgase |
|
|
|
| Argon |
Ar |
18 |
39,9481 |
| Helium |
He |
2 |
4,0026022 |
| Krypton |
Kr |
36 |
83,7982 |
| Neon |
Ne |
10 |
20,17976 |
| Radon |
Rn |
86 |
72,641 |
| Xenon |
Xe |
54 |
131,2936 |
Definition Atommasse:
Als Atommasse bezeichnet man die Masse von Atomen chemischer Elemente. Sie wird in der Maßeinheit u angegeben.
(1 u = 1,66056*10-24 g) Dies entspricht 1/12 der Atommasse des Kohlenstoffisotops 12C.
|
