Lithium (Li)

A soft, silvery-white alkali metal, highly reactive and flammable.

It is used in psychiatric medication to treat bipolar disorder.

Element properties

Atomic number
3
Symbol
Li
Atomic mass
6.94 u
Category
Alkali Metal
Period
2
Group
1
Block
s
State
Solid
Electron configuration
[He] 2s1
Electronegativity (Pauling)
0.98
Density
0.534 g/cm³
Melting point
180.5 °C
Boiling point
1330 °C

Uses