### 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