Atomic Data for Boron (B)

Atomic Number = 5

Atomic Weight = 10.81

Reference = E95

Isotope   Mass       Abundance Spin Mag Moment

10B       10.012937  19.9%     3    +1.8007
11B       11.009305  80.1%     3/2  +2.6886

 
B I  Ground State 1s22s22p  2P°1/2
     Ionization energy  66928.04 cm-1 (8.29802 eV)   Ref. R02
 
B II Ground State 1s22s2  1S0
     Ionization energy  202887.0 cm-1 (25.1548 eV)   Ref. R98