Isotope Mass Abundance Spin Mag Moment
31P 30.973762 100% 1/2 +1.13160
P I Ground State 1s22s22p63s23p3 4S°3/2
Ionization energy 84580.83 cm-1 (10.48669 eV) Ref. MZM85
P II Ground State 1s22s22p63s23p2 3P0
Ionization energy 159451.5 cm-1 (19.7695 eV) Ref. MZM85