Lithium was discovered by Johan August Arfvedson at 1817 in Stockholm, Sweden.
Origin of name: from the Greek word "lithos" meaning "stone".
Atomic Number: 3
Atomic Weight: 6.941
Melting Point: 453.65 K (180.50°C or 356.90°F)
Boiling Point: 1615 K (1342°C or 2448°F)
Density:0.534 grams per cubic centimeter
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 2 Group Number: 1 Group Name: Alkali Metal