NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Technetium (Tc)

Atomic Number = 43

Atomic Weight = 98.9062

Reference E95

Isotope   Mass       Abundance Spin Mag Moment
97Tc 96.906364 0 9/2 98Tc 97.907215 0 6 99Tc 98.906254 0 9/2 +5.6847
Tc I  Ground State 1s22s22p63s23p63d104s24p64d55s2  6S5/2
      Ionization energy  58700 cm-1 (7.28 eV)   Ref. M58
Tc II Ground State 1s22s22p63s23p63d104s24p64d55s  7S3
      Ionization energy  123100 cm-1 (15.26 eV)   Ref. M58