NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Neon (Ne)

Atomic Number = 10

Atomic Weight = 20.1797

Reference E95

Isotope   Mass       Abundance Spin Mag Moment
20Ne 19.992435 90.48% 0 21Ne 20.993843 0.27% 3/2 -0.66179 22Ne 21.991383 9.25% 0
Ne I  Ground State 1s22s22p6  1S0
      Ionization energy  173929.75 cm-1 (21.56454 eV)   Ref. KM72
Ne II Ground State 1s22s22p5  23/2
      Ionization energy  330388.6 cm-1 (40.96296 eV)   Ref. P71