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BERYLLIUM

Definition :From the mineral "Beryl", an aluminum berylum silcate. Although berylium products are safe to use and handle, the fumes and dust released during fabrication are highly toxic.

Discovery :1797 by Loui Micolas Vauquelin of France; First isolated in 1828 by Friedrick Wahler and Antonine Alexandre Brutus Bussy

Uses :watch spring, Space shuttle parts, Welding electrodes, X-ray tubes, Computer-laser, Television, Oceanographic instruments

Group of Elements :Alkaline Earth Metals(Solid)

Atomic Weight :9.01218

Oxidation State :+2

Melting Point :1278

Boiling Point :1290

Density ;1.85 g/cm3

Electronegativity :1.5