Phosphorus |
| Symbol | P |
|---|---|
| Latin name | Phosphorus |
| Atomic number | 15 |
| Period | 3 |
| Element category | Nonmetals |
| Relative atomic mass | 30.973762 |
| Group | V.A |
| Electronegativity | 2.1 |
| Oxidation numbers | -3, 3, 5 |
| Electron configuration | 1s2 2s2 2p6 3s2 3p3 |
| Density [g/cm3] | 1.83 |
| State | Solid |
| Melting point [°C] | 44.1 |
| Boiling point [°C] | 280 |
| Atomic radius [pm] | 98 |
| Covalent radius [pm] | 106 |
| Thermal conductivity [W m-1K-1] | 0.235 |
| Heat capacity [J K-1g-1] | 0.769 |
| Discovery | 1669 |
| Electrical conductivity [S m-1] | 1 · 107 |
| 1.st ionization energy [eV] | 10.4867 |
| 2.nd ionization energy [eV] | 19.725 |
| 3.rd ionization energy [eV] | 30.18 |
| Stable isotopes | 1 |
| Unstable isotopes | 6 |