Electron Configuration of Iron

Calculate the full and condensed electron configuration of Iron (Fe).

Enter the atomic number or symbol of any element, including those that have not been discovered yet, and this calculator will calculate its electron configuration and other related properties (theoretical, if atomic number > 118).
Enter the electron configuration of any element, including those that have not been discovered yet, and this calculator will calculate its properties (theoretical, if atomic number > 118).

Iron

Fe - Element 26

Electron Configuration

[Ar] 3d6 4s2
Aufbau Order1s2 2s2 2p6 3s2 3p6 4s2 3d6
Expanded Form1s2 2s2 2p6 3s2 3p6 3d6 4s2
Largest Core[Ar]
Valence Subshells3d6 4s2 Calculate Valence Electrons
Number of Electrons26
Number of Unpaired ElectronsComing Soon!
Electrons Per Shell2, 8, 14, 2
Last Subshell4s2
Maximum Principal Quantum Number (n)4
Maximum Azimutal Quantum Numbers (l)1=s; 2=p; 3=d; 4=s
Spin OccupationsComing Soon!
Magnetic Moment (Spin Only)Coming Soon!
Slater Screening ConstantComing Soon!
Enhanced Bohr Diagram of Fe (Iron)
Orbital Diagram of Fe (Iron)