3 Li 6.94

Lithium

ALKALI METAL

Phase: Solid

Discovered: Johan August Arfwedson

Block: S

Summary

Lithium (from Greek:λίθος lithos, "stone") is a chemical element with the symbol Li and atomic number 3. It is a soft, silver-white metal belonging to the alkali metal group of chemical elements. Under standard conditions it is the lightest metal and the least dense solid element.

Appearance: silvery-white

Source: Wikipedia

Physical Properties

Atomic Mass 6.94 u

Density 0.534 g/cm³

Melting Point 453.65 K

Boiling Point 1603 K

Molar Heat 24.86 J/(mol·K)

Electron Affinity 59.6326 kJ/mol

Ionization Energies

1^st: 520.2 kJ/mol

2^nd: 7298.1 kJ/mol

3^rd: 11815 kJ/mol