| Ordnungszahl: |
15 |
| Name: |
Phosphorus |
| Namensursprung: |
Greek: phosphoros, (bringer of light). |
| Entdeckung: |
1669 by Hennig Brand in Germany |
| Beschreibung: |
Soft white waxy phosphorescent solid, brownish-red powder or black solid. |
| Vorkommen: |
Found most often in phosphate rock. Pure phosphorus is obtained by heating a mixture of phosphate rock, coke, and silica to about 1450 °C. |
| Verwendung: |
Used in the production of fertilizers and detergents. Some is used in fireworks, safety matches, and incendiary weapons. Also some applications for it and some of its compounds which glow in the dark. |
| Gruppe: |
Non-Metal |
| Atomgewicht: |
30.973762 |
| Schmelzpunkt: |
44.1°C |
| Siedepunkt: |
277°C |
| Dichte bei 293 K: |
1.82 g/cm³ |
| Aggregatszustand bei Raumtemperatur: |
Solid |
| Schalen: |
2,8,5 |
| Orbitale: |
[Ne] 3s2 3p3 |
| Valenzen: |
3,5 |
| 1. Ionisierungs- potential: |
10.4867 V |
| 2. Ionisierungs- potential: |
19.725 V |
| 3. Ionisierungs- potential: |
30.18 V |
| Atomradius: |
1.23 Å |
| Spezifische Wärme: |
0.77 J/gK |
| Verdampfungswärme: |
12.129 kJ/mol |
| Schmelzwärme: |
0.657 kJ/mol |
| Thermischer Ausdehnungskoeffizient: |
127 10-6 K-1 |
| Röntgenemission Energie / Wellenlänge: |
| |
KA |
KB |
LA |
LB |
MA |
MB |
|
|
|
| eV |
2013.4 |
2136.28 |
0 |
0 |
0 |
0 |
|
|
|
| Å |
6.15801 |
5.8038 |
0 |
0 |
0 |
0 |
|
|
|
|
| Röntgenabsorption Energie / Wellenlänge: |
| |
K |
L-I |
L-II |
L-III |
M-I |
M-II |
M-III |
M-IV |
M-V |
| eV |
2146 |
0 |
132 |
0 |
0 |
0 |
0 |
0 |
0 |
| Å |
5.77751 |
0 |
93.9283 |
0 |
0 |
0 |
0 |
0 |
0 |
|
| Röntgen Fluoreszenz Ausbeute: |
| |
KA |
KB |
LA |
LB |
MA |
MB |
|
|
|
| |
6% |
0% |
0% |
0% |
0% |
0% |
|
|
|
|
| Nuklide: |
| |
Anteil |
Gewicht |
Spin |
Halbwertszeit |
Zerfallsmodus |
| P31 |
100% |
30.9938 |
1/2 |
|
Stable |
| P32 |
0% |
31.9739 |
1 |
14.28d |
β- |
| P33 |
0% |
32.9717 |
1/2 |
24.3d |
β- |
|
