ChemGlobe

Sulfur

Non-Metalsolid
Symbol: S
Atomic number: 16
Atomic mass: 32.066
Group: Non-Metal
CAS-number: 7704-34-9

Physical data
Isotopes
Other info
Navigation
O
Oxygen
P Phosphorus To Periodic Table ChlorineCl
Selenium
Se

Go to element

Physical data

Electronic data

Shells: 2, 8, 6
Orbitals: [Ne] 3s2 3p4
Electronegativity: 2.5, 2.4
1. Ionization potential: 10.3600 eV
2. Ionization potential: 23.33 eV
3. Ionization potential: 34.83 eV
Oxidation states: 6, 4, 2, -2
Electrical conductivity: 0.5e-23 10^6

Thermal data

Melting point: 115.21 °C
Boiling point: 444.6 °C
Specific heat: 0.71 J/gK
Heat of fusion: 1.7175 kJ/mol
Heat of vaporization: -- kJ/mol
Thermal conductivity: 0.00269 W/cmK

Steric data

Atomic radius: 1.09 Å
Ionic radius: 0.29 Å (+6)
Covalent radius: 1.02 Å
Atomic volume: 15.5 cm³/mol
Density (293 K): 2.07 g/cm³
Crystal structure: orthorhombic
orthorhombic

Isotopes

NuclideAbundance [%]MassSpinHalflifeDecay modeDecay tree
32S 95.02 31.9721 0 -- --
33S 0.76 32.9714 3/2 -- --
34S 4.22 33.9679 0 -- --
35S 0 34.969 3/2 87.2d β- View
36S 0.014 35.9671 0 -- --

Other info

Name origin:Latin: sulphur (brimstone)
Description:Tasteless, odorless, pale yellow, brittle solid. Tenth most abundant element in the universe.
Discovered by:Known to the ancients
Year:--
Place:Unknown
Sources:Found in pure form and in ores like cinnabar, galena, sphalerite and stibnite. Pure form is obtained from undergound deposits by the Frasch process.
Use(s):Used in matches, gunpowder, medicines, rubber and pesticides, dyes and insecticides. Also for making sulfuric acid (H2SO4).