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SULFUR (16S32.066)

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Element Description

Known in ancient times as brimstone, sulfur is essential to life. It is pale yellow, odorless, brittle, nonmetallic solid. Sulfur has unusual optical and electrical properties and is a good electrical insulator. It occurs native near volcanoes and hot springs and readily combines with many elements. A large amount of sulfur is used in the production of sulfuric acid, which some refer to as the most important manufactured chemical.

Property Name Property Value Property Name Property Value
Atomic Code (16S32.066) First Ionization Energy 239K-cal/g-mole
CAS # 7704-34-9 Electronegativity 2.5Pauling's
Covalent Radius 1.02Angstroms
Melting Point 115.21°C Mohs Hardness @ 20°C 1.5-2.5
Boiling Point 444.6°C Linear Coefficient of Expansion 6.5x10-6K-1
Density 2.07g/cm3 Crystal Structure Cubic
Themal Conductivity 6.31x10-4cal/cm2/cm/s/°C Critical Temperature 1040°C
Specific Heat @ 25°C 0.175cal/g°C Critical Pressure 116atm
Heat of Fusion 0.34k-cal/g-atom Critical Volume 2.48ml/g
Heat of Vaporization 3.01k-cal/g-atom Vapor Pressure @ 1727°C 9.5x10-11atm
Atomic Volume 15.5W/D

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