Atomic Number: 4
Atomic Weight: 9.012182
Melting Point: 1560 K (1287?C or 2349?F)
Boiling Point: 2744 K (2471?C or 4480?F)
Density: 1.85 grams per cubic centimeter
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 2 Group Number: 2 Group Name: Alkaline Earth Metal
Beryllium
-from the mineral beryl, an aluminum beryllium silicate. Although beryllium products are safe to use and handle, the fumes and dust released during fabrication are highly toxic.
Discovery: 1797 by Louis Nicolas Vaqueline of France; First isolated in 1828Friedrich Wholer and Antoine Alexandre Brutus Bussy
Uses: Watch springs; Space shuttle parts; Welding electrodes; X-ray tubes