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