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Sb - Antimony

Antimony

 Antimony 
Sb
Atomic Number: 51
Atomic Weight: 121.76
Element Type: Metal
Crystal Structure: Rhombohedral
Melting Point: 630.63°C = 1167.134°F = 903.78 K
Boiling Point: 1587.0°C = 2888.6°F = 1860.15 K
Critical Temp: °C = °F = K
Atomic Radius: 1.53 Å (Å = Angstrom = 10-10 m)
Covalent Radius: 1.4 Å
Electronegativity: 2.05

History

(Gr. anti plus monos - a metal not found alone) Antimony was recognized in compounds bythe ancients and was known as a metal at the beginning of the 17th century and possiblymuch earlier.


Sources

It is not abundant, but is found in over 100 mineral species. It is sometimes foundnative, but more frequently as the sulfide stibnite.






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