P
Phosphorus
previous element
P |
|
|
Phosphorus |
||
| previous element |
next element |
| Atomic number | 15 |
| Atomic weight | 30.97376 |
| Orbital electronic configuration | (Ne)3s23p3 |
| First ionization energy (eV) | 10.486 |
| Second ionization energy (eV) | 19.72 |
| Third ionization energy (eV) | 30.156 |
| Electronegativity (Pauling) | 2.19 |
| Atomic radius (Å) | 1.23 |
| Bonding radius (Å) | 1.06 |
| Oxidation states | ±3, 5, 4 |
Properties |
|
| Density (g/ml) | 1.82 |
| Melting point (K) | 317.30 |
| Boiling point (K) | 550 |
| Heat of vaporization (kJ/mol) | 12.129 |
| Heat of fusion (kJ/mol) | 0.657 |
| Specific heat capacity (Jg-1K-1) | 0.77 |
| Crystal structure | monoclinic |