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NIST Atomic Spectra Database
Ionization Energies Data

Ga (all spectra)
31 Data Rows Found 

Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2019). NIST Atomic Spectra Database (ver. 5.7), [Online]. Available: https://physics.nist.gov/asd [2019, October 16]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
 

 At. Num.   El.  name   Isoel.  Seq.   Ground  Shells a   Ground  Level   Ionization  Energy 
 (eV) 
Uncertainty
 (eV) 
 References 
31  Gallium  Ga  [Ar]3d104s24p   21/2    5.9993020                 0.0000012   L5566 
31  Gallium  Zn  [Ar]3d104s2   1S0    20.51514                   0.00012     L6473 
31  Gallium  Cu  [Ar]3d104s   2S1/2    30.72576                   0.00025     L6636 
31  Gallium  Ni  [Ar]3d10   1S0    63.241                     0.009       L12180,L17779 
31  Gallium  Co  [Ar]3d9   2D5/2    [86.01]                     0.12        L12180 
31  Gallium  Fe  [Ar]3d8   3F4    (112.7)                      1.1         L12180 
31  Gallium  Mn  [Ar]3d7   4F9/2    (140.8)                      1.4         L12180 
31  Gallium  Cr  [Ar]3d6   5D4    (169.9)                      1.7         L12180 
31  Gallium  [Ar]3d5   6S5/2    (211.0)                      2.2         L8672c99 
31  Gallium  Ti  [Ar]3d4   5D0    (244.0)                      2.5         L12180 
31  Gallium  Sc  [Ar]3d3   4F3/2    (280.0)                      2.4         L8672c99 
31  Gallium  Ca  [Ar]3d2   3F2    (319.0)                      2.5         L8672c99 
31  Gallium  [Ar]3d   2D3/2    (356)                        3           L8672c99 
31  Gallium  Ar  [Ne]3s23p6   1S0    [471.2]                      1.4         L11770 
31  Gallium  Cl  [Ne]3s23p5   23/2    [508.8]                      0.4         L11770 
31  Gallium  [Ne]3s23p4   3P2    [548.3]                      0.7         L11770 
31  Gallium  [Ne]3s23p3   43/2    [599.8]                      1.4         L11770 
31  Gallium  Si  [Ne]3s23p2   3P0    [640.0]                      1.5         L11770 
31  Gallium  Al  [Ne]3s23p   21/2    [677]                        3           L11770 
31  Gallium  Mg  [Ne]3s2   1S0    [765.7]                      0.9         L11770 
31  Gallium  Na  [Ne]3s   2S1/2    [807.308]                    0.025       L11770 
31  Gallium  Ne  1s22s22p6   1S0    [2 010.0]                      1.1         L11770 
31  Gallium  1s22s22p5   23/2    [2 129]                        4           L11770 
31  Gallium  1s22s22p4   3P2    [2 258]                        5           L11770 
31  Gallium  1s22s22p3   43/2    [2 391]                        18           L11770 
31  Gallium  1s22s22p2   3P0    [2 543.9]                      2.0         L11770 
31  Gallium  1s22s22p   21/2    [2 683.0]                      1.4         L11770 
31  Gallium  Be  1s22s2   1S0    [2 868]                        3           L11770 
31  Gallium  Li  1s22s   2S1/2    (2 984.426)                    0.007       L16264c99 
31  Gallium  He  1s2   1S0    (12 696.5573)                   0.0021      L12128 
31  Gallium  1s   2S1/2    (13 239.489)                    0.006       L7188 
Notes:
Designations used in the ground shell lists:
[Ne] = 1s22s22p6
[Ar] = 1s22s22p63s23p6

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