What is the electronegativity of Aluminum?

The Pauling electronegativity of Aluminum is 1.61.

Aluminum (Al) - Element 13 | Properties & Electron Configuration

The electron configuration of Aluminum is 1s² 2s² 2p⁶ 3s² 3p¹.

What is Aluminum?

Aluminum (Al) is element 13, a post transition metal in period 3, group 13. Its electron configuration is 1s² 2s² 2p⁶ 3s² 3p¹.

The full electron configuration of Aluminum is 1s² 2s² 2p⁶ 3s² 3p¹. In noble gas shorthand, this is written as [Ne] 3s² 3p¹.

Aluminum is a p-block element in group 13, period 3.

Electronegativity: Aluminum has a Pauling electronegativity of 1.61. Within group 13, electronegativity generally decreases down the group.

Atomic Radius: 125 pm. Across period 3, atomic radius generally decreases left to right as nuclear charge increases.

Ionization Energy: 577 kJ/mol. Ionization energy generally increases across a period and decreases down a group.

View all 118 elements with trend overlays for electronegativity, atomic radius, ionization energy, and electron affinity.