Atomic Number: 5
Atomic Weight: 10.811
Melting Point: 2348 K (2075C or 3767F)
Boiling Point: 4273 K (4000C or 7232F)
Density: 2.37 grams per cubic centimeter
Phase at Room Temperature: Solid
Element Classification: Semi-metal
Period Number: 2 Group Number: 13 Group Name: none
Meaning: from borax and carbon. It is most common in borax (sodium borate). A trace element neede for plant growth, but can be toxic in excess.
Discovery: 1808 by J.G. Lussac and L. Thenard of France and sir Darry of Britain.
Uses: Tennis rackets; Glasses; Arthritis treatment; Pyrothecnic flares