Neutral AtomSingly Ionized Atom
Finding listPeriodic TableAtomic DataStrong LinesNeutral Atom Persistent Lines Neutral Atom Energy LevelsSingly Ionized Persistent LinesSingly Ionized Energy LevelsReferences

Atomic Data for Beryllium (Be)

Atomic Number = 4

Atomic Weight = 9.01218

Reference = E95


Isotope   Mass       Abundance Spin Mag Moment

 9Be      9.012182   100%      3/2  -1.1776
10Be      10.013534  Trace     0    

 
Be I  Ground State 1s22s2  1S0
      Ionization energy  75192.64 cm-1 (9.32270 eV)   Ref. KM97
 
Be II Ground State 1s22s  2S1/2
      Ionization energy  146882.8 cm-1 (18.21114 eV)   Ref. KM00