Sulfur |
| Symbol | S |
|---|---|
| Latin name | Sulphur |
| Atomic number | 16 |
| Period | 3 |
| Element category | Nonmetals |
| Relative atomic mass | 32.066 |
| Group | VI.A |
| Electronegativity | 2.5 |
| Oxidation numbers | -2, 2, 4, 6 |
| Electron configuration | 1s2 2s2 2p6 3s2 3p4 |
| Density [g/cm3] | 2.07 |
| State | Solid |
| Melting point [°C] | 112.8 |
| Boiling point [°C] | 444.674 |
| Critical point [°C] | 1040 |
| Critical pressure [MPa] | 20.7 |
| Atomic radius [pm] | 88 |
| Covalent radius [pm] | 102 |
| Thermal conductivity [W m-1K-1] | 0.269 |
| Heat capacity [J K-1g-1] | 0.71 |
| Hardness [Mohs scale] | 2.0 |
| Electrical conductivity [S m-1] | 5 · 10-14 |
| 1.st ionization energy [eV] | 10.36 |
| 2.nd ionization energy [eV] | 23.33 |
| 3.rd ionization energy [eV] | 34.83 |
| Stable isotopes | 4 |
| Unstable isotopes | 6 |