Lithium

Alkali metal

Symbol: Li

Atomic Number: 3

Standard State: Solid

Atomic Mass: 7

Electron Configuration: [He]2s1

Electronegativity: 0.98

Atomic Radius: 182

Ionization Energy: 5.392

Melting Point: 453.65

Boiling Point: 1615

Density: 0.534

Year Discovered: 1817