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 Sodium (Na)

Atomic Number = 11

Atomic Weight = 22.989768

Reference = E95



Isotope   Mass       Abundance Spin Mag Moment
23Na 22.989767 100% 3/2 2.21752
 
Na I  Ground State 1s22s22p63s  2S1/2
      Ionization energy  41449.451 cm-1 (5.139076 eV)   Ref. BBLB98
 
Na II Ground State 1s22s22p6  1S0
      Ionization energy  381390.2 cm-1 (47.2864 eV)   Ref. MZ81