NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

[skip navigation] National Institute of Standards and Technology NIST Physical Measurement Laboratory Technetium (Tc) 

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableTechnetium Atomic DataTechnetium Strong LinesTechnetium Neutral Atom Persistent Lines Technetium Neutral Atom Energy LevelsTechnetium Singly Ionized Persistent LinesTechnetium Singly Ionized Energy LevelsTechnetium References
Switch to Formatted Version

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