Beryllium was discovered by Nicholas Louis Vauquelin (1763-1829) at 1797 in France.
Origin of name: from the Greek word "beryllos" meaning "beryl".
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