Based on Figure 2.13, which element has the lowest ionization energy? Does this agree with a Google search for lowest ionization energy?

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter13: Introduction To Symmetry In Quantum Mechanics
Section: Chapter Questions
Problem 13.11E
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  1. Based on Figure 2.13, which element has the lowest ionization energy? Does this agree with a Google search for lowest ionization energy?
2500
kJ/mol
Arlonization energy
Kr
Wea
P
Zn As
Se
Mg
Si
Al
Ga
Br
Na
F
Electron affinity Rb
20
30
2000
1500
1000- Be
500-
He
0
-500
He Be
Ne
10
Kr
40
Pd
Cd Sb
In
Sn
50
Xe
Ba
Xe Ba
60
FIGURE 2.13 lonization
Energies and Electron Affinities.
lonization energy = AU for
M(g) →→→ M'(g) + e
(Data from C.E. Moore, lonization
Potentials and lonization Limits,
National Standards Reference Data
Series, U.S. National Bureau of Stand-
ards, Washington, DC, 1970, NSRDS-
NBS 34) Electron affinity- AUfor
M (g) M(g) + Data from
H. Hotop and W. C. Lineberger, J.
Phys. Chem. Ref. Data, 1985, 14, 731).
Numerical values are in Appendices
B-2 and B-3.
Transcribed Image Text:2500 kJ/mol Arlonization energy Kr Wea P Zn As Se Mg Si Al Ga Br Na F Electron affinity Rb 20 30 2000 1500 1000- Be 500- He 0 -500 He Be Ne 10 Kr 40 Pd Cd Sb In Sn 50 Xe Ba Xe Ba 60 FIGURE 2.13 lonization Energies and Electron Affinities. lonization energy = AU for M(g) →→→ M'(g) + e (Data from C.E. Moore, lonization Potentials and lonization Limits, National Standards Reference Data Series, U.S. National Bureau of Stand- ards, Washington, DC, 1970, NSRDS- NBS 34) Electron affinity- AUfor M (g) M(g) + Data from H. Hotop and W. C. Lineberger, J. Phys. Chem. Ref. Data, 1985, 14, 731). Numerical values are in Appendices B-2 and B-3.
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Ball, David W. (david Warren), BAER, Tomas
Publisher:
Wadsworth Cengage Learning,