What is the electronic configuration of iron?

[HaroldsLargo]

I’m studying chemistry and want to know the detailed electronic configuration of iron (Fe). Can someone provide the correct arrangement of its electrons?

 

[isabel]

The electronic configuration of iron (Fe) is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶, often written in shorthand as [Ar] 4s² 3d⁶.