Barium was discovered by Sir Humphrey Davy at 1808 in England.
Origin of name: from the Greek word "barys" meaning "heavy".
Atomic Number: 56
Atomic Weight: 137.327
Melting Point: 1000 K (727°C or 1341°F)
Boiling Point: 2170 K (1897°C or 3447°F)
Density: 3.62 grams per cubic centimeter
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 6 Group Number: 2 Group Name: Alkaline Earth Metal