Isotope Mass Abundance Spin Mag Moment
45Sc 44.955910 100% 7/2 +4.756
Sc I Ground State 1s22s22p63s23p63d4s2 2D3/2 Ionization energy 52922.0 cm-1 (6.56149 eV) Ref. SC85 Sc II Ground State 1s22s22p63s23p63d4s 3D1 Ionization energy 103237.1 cm-1 (12.79977 eV) Ref. SC85