| Atomic number |
|
15 |
| Symbol |
|
P |
| Atomic weight |
|
30.973762 |
| Density [g/cm3] |
|
1.82 (white P) |
| Melting point [°C] |
|
44.1 (white P) |
| Boiling point [°C] |
|
280 |
| 1st Ionization energy [eV] |
|
10.486 |
| Electronic configuration |
|
[Ne] 3s2 3p3 |
| Oxidation number (most
stable) |
|
5,
3, 3- |
| Atomic radius [pm] |
|
93 (white P) |
| Ionic radius [pm] |
|
44 (3+) |
| Abundance in crustal rocks [ppm] |
|
1120 |
| Origin of the name |
|
(greek)
phosphoros = bringer of light |
| Discovery |
|
1669 by the alchemist Hennig Brandt |
| Uses |
|
Production of phosphoric acid and phosphates,
phosphoric acid for the phosphatization of iron (corrosion protection),
ammonium phosphate as flame protection means. Further application as food
additive and to the synthesis in the chemical industry. |
 |
|
|
15 P
Phosphorus
