Aluminum (Al) — Element 13

13 Al 26.982

Aluminum

Element 13 · 26.982 u · p-block

post transition

The most abundant metal in Earth's crust. Lightweight, corrosion-resistant, and widely used in packaging and construction.

Phase (STP)

Solid

Melting Point

660.32 °C

Boiling Point

2519 °C

Density

2.698 g/cm³

Electronegativity

1.61

Atomic Radius

125 pm

Ionization Energy

578 kJ/mol

Electron Affinity

42 kJ/mol

Discovered

1825 · Hans Christian Oersted

Electron Configuration

[Ne] 3s2 3p1