- Atomic Radius (Å)
Sulfur or sulphur (see spelling differences) is a chemical element with symbol S and atomic number 16. It is an abundant, multivalent non-metal. Under normal conditions, sulfur atoms form cyclic octatomic molecules with chemical formula S8.
16
Atomic Number
32.06
Atomic Mass (u)
388.51
Melting Point (K)
717.8
Boiling Point (K)
2.07
Density (solid: g/cm³, gas: g/liter)
1.1
Atomic Radius (Å)
1.05
Covalent Radius (Å)
2.58
Electronegativity
10.36
First Ionization Energy (eV)
200.41
Electron Affinity
3
Number of Shells
6
Electron Valency
2, 8, 6
Electron Shell Occupations
0.71
Specific Heat (J/g)