Boron was discovered by Sir Humphrey Davy, Joseph-Louis Gay-Lussac, L.J. Th&nard
at 1808 in England, France. Origin of name: from the Arabic word "buraq" and the Persian word "burah" .
Atomic Number: 5
Atomic Weight: 10.811
Melting Point: 2348 K (2075°C or 3767°F)
Boiling Point: 4273 K (4000°C or 7232°F)
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