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 |