NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Americium (Am)

Atomic Number = 95

Atomic Weight = (243)

Reference E95

Isotope    Mass        Abundance Spin Mag Moment
241Am 241.056823 0 5/2 +1.61 243Am 243.061375 0 5/2 +1.61
Am I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f77s2  87/2
      Ionization energy  48182 cm-1 (5.9738 eV)   Ref. KDEE97
Am II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f77s  94