| Ordnungszahl: |
47 |
| Name: |
Silver |
| Namensursprung: |
Anglo-Saxon: siolful, (silver); symbol from Latin: argentium. |
| Entdeckung: |
Known to the ancients. |
| Beschreibung: |
Silvery-ductile, and malleable metal |
| Vorkommen: |
Found in ores called argentite (AgS), light ruby silver (Ag3AsS3), dark ruby silver(Ag3SbS3) and brittle silver. |
| Verwendung: |
Used in alloys for jewelry and in other compounds for photography. It is also a good conductor, but expensive. |
| Gruppe: |
Transition Metal |
| Atomgewicht: |
107.8682 |
| Schmelzpunkt: |
961.93°C |
| Siedepunkt: |
2162°C |
| Dichte bei 293 K: |
10.5 g/cm³ |
| Aggregatszustand bei Raumtemperatur: |
Solid |
| Schalen: |
2,8,18,18,1 |
| Orbitale: |
[Kr] 4d10 5s1 |
| Valenzen: |
1,2 |
| 1. Ionisierungs- potential: |
7.5762 V |
| 2. Ionisierungs- potential: |
21.49 V |
| 3. Ionisierungs- potential: |
34.83 V |
| Atomradius: |
1.75 Å |
| Spezifische Wärme: |
0.235 J/gK |
| Verdampfungswärme: |
250.580 kJ/mol |
| Schmelzwärme: |
11.30 kJ/mol |
| Thermischer Ausdehnungskoeffizient: |
18.9 10-6 K-1 |
| Röntgenemission Energie / Wellenlänge: |
| |
KA |
KB |
LA |
LB |
MA |
MB |
|
|
|
| eV |
22105.9 |
24943.2 |
2984.41 |
3151.05 |
0 |
0 |
|
|
|
| Å |
0.56087 |
0.49707 |
4.15444 |
3.93473 |
0 |
0 |
|
|
|
|
| Röntgenabsorption Energie / Wellenlänge: |
| |
K |
L-I |
L-II |
L-III |
M-I |
M-II |
M-III |
M-IV |
M-V |
| eV |
25514 |
3806 |
3524 |
3352 |
0 |
0 |
0 |
402.2 |
398.1 |
| Å |
0.48595 |
3.25763 |
3.51831 |
3.69885 |
0 |
0 |
0 |
30.8268 |
31.1443 |
|
| Röntgen Fluoreszenz Ausbeute: |
| |
KA |
KB |
LA |
LB |
MA |
MB |
|
|
|
| |
83% |
0% |
6.3% |
0% |
0% |
0% |
|
|
|
|
| Nuklide: |
| |
Anteil |
Gewicht |
Spin |
Halbwertszeit |
Zerfallsmodus |
| Ag105 |
0% |
105 |
1/2 |
41.3d |
EC,β+ |
| Ag105m |
0% |
105 |
7/2 |
7.2m |
IT,EC |
| Ag106m |
0% |
106 |
6 |
8.4d |
EC |
| Ag107 |
51.82% |
106.905 |
1/2 |
|
Stable |
| Ag108 |
0% |
108 |
1 |
2.39m |
β-,EC,β+ |
| Ag108m |
0% |
108 |
6 |
130y |
EC,β+,IT |
| Ag109 |
48.18% |
108.905 |
1/2 |
|
Stable |
| Ag109m |
0% |
109 |
7/2 |
39.8s |
IT |
| Ag110 |
0% |
110 |
1 |
24.6s |
β-,EC |
| Ag110m |
0% |
110 |
6 |
249.8d |
β-,IT |
| Ag111 |
0% |
111 |
1/2 |
7.47d |
β- |
|
