Electron Configuration of Francium

Calculate the full and condensed electron configuration of Francium (Fr).

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).

Francium

Fr - Element 87

Electron Configuration

[Rn] 7s1
Expanded Form1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s1
Largest Core[Rn]
Valence Subshells7s1 Calculate Valence Electrons
Number of Electrons87
Number of Unpaired ElectronsComing Soon!
Electrons Per Shell2, 8, 18, 32, 18, 8, 1
Last Subshell7s1
Maximum Principal Quantum Number (n)7
Maximum Azimutal Quantum Numbers (l)1=s; 2=p; 3=d; 4=f; 5=d; 6=p; 7=s
Spin OccupationsComing Soon!
Magnetic Moment (Spin Only)Coming Soon!
Slater Screening ConstantComing Soon!
Enhanced Bohr Diagram of Fr (Francium)
Orbital Diagram of Fr (Francium)