What is the electronegativity of Cobalt?

The Pauling electronegativity of Cobalt is 1.88.

Cobalt (Co) - Element 27 | Properties & Electron Configuration

The electron configuration of Cobalt is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁷ 4s².

What is Cobalt?

Cobalt (Co) is element 27, a transition metal in period 4, group 9. Its electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁷ 4s².

The full electron configuration of Cobalt is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁷ 4s². In noble gas shorthand, this is written as [Ar] 3d⁷ 4s².

Cobalt is a d-block element in group 9, period 4.

Electronegativity: Cobalt has a Pauling electronegativity of 1.88. Within group 9, electronegativity generally decreases down the group.

Atomic Radius: 125 pm. Across period 4, atomic radius generally decreases left to right as nuclear charge increases.

Ionization Energy: 760 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.