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Phosphor (P)

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-


book | by Dr. Radut