Jump to: navigation, search

Sulfur



Name Sulfur
Atomic Number 16
Atomic Weight 32.06
Symbol S
Melting Point ( °C ) 388.36 K ​(115.21 °C, ​239.38 °F)
Boiling Point ( °C ) 717.8 K ​(444.6 °C, ​832.3 °F)
Density (g/cm3) 2.067
Earth crust (%) 0.03
Discovery (Year) 2000BC
Group 16
Electron configuration 1s2 2s2 2p6 3s2 3p4
Ionization energy (eV) 10,36

Sulfur is a chemical element with symbol S and atomic number 16.Sulfur is a bright yellow crystalline solid when at room temperature.Sulfur is chemically characterized as a multivalent non-metallic substance.It is classified as an essential element for life and occurs in two different amino acids,cysteine and methionine.

Discovery

Sulfur was known in ancient times, and was identified by the Chinese as early as the sixth century BC, and extracted from pyrite ore by them in the third century BC. CITATION REQUIREDIt was used by the Egyptians as a cosmetic agent. Within the Bible, in the Book of Genesis, the text terms burning sulfur as brimstone. Pliny notes the place of most abundant ancient occurrence as the Aegean island of Milos.

References

Unknown extension tag "references"

All references are built automatically by using the ref tag in the appropriate location.

http://en.wikipedia.org/wiki/Sulfur