15
P
Phosphorus
30.973762 | 2
8
5
|
15
P
Phosphorus
30.973762 | 2
8
5
|
| General |
|---|
| Name | Phosphorus | | Symbol | P | | Number | 15 | | Chemical series | Other nonmetals | | Group / Period | 15 / 3 | | Block | p-block | | CAS registry number | 7723-14-0 |
| Physical properties |
|---|
| State | solid | | Density | 1.823 g/cm3 | | Melting point | 317.3 K (44.2 °C, 111.6 °F) | | Boiling point | 550 K (277 °C, 531 °F) | | Critical point | |
| Atomic properties |
|---|
| Atomic Weight | 30.973762 g/mol | | Crystal structure | | | Electronegativity | 2.19 | | Atomic radius | 100 pm | | Atomic radius (calculated) | 98 pm | | Electron configuration | [Ne] 3s2 3p3 | | Electrons per shell | 2, 8, 5 | | Number of protons | 15 | | Number of neutrons | 16 |
|
Sulfur