Li

Lithium

Definition From "Lithus" or stone. The Lightest in weight of all metals. Whem alloyed with aluminum, finds great use in aircrafts construction.

Discovery 1817 by Johann A. Arfvedson of Sweden.

Uses Lubricants, Dry Cell, Storage batteries, Glass and Pharmaceuticals

Group of Elements Akali Metals(Solid)

Atomic Weight 6.938, 6.997

Oxidation State +1

Melting Point 180.5

Boiling Point 1342

Density 0.534 g/cm3

Electronegativity 1.0