Aluminum

Post Transition

Atomic Number: 13 • Atomic Mass: 26.9820 u • Period: 3 • Group: 13

Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p¹

Phase: Solid

Electronegativity: 1.61

History

Aluminum has been known since ancient times

First produced in impure form by Hans Christian Ørsted in 1825

Friedrich Wöhler improved the process in 1827

First commercial production by Henri Étienne Sainte-Claire Deville in 1856

Modern production method (Hall–Héroult process) developed in 1886