Derive the electronegativity on the Pauling Scale of a ground-state oxygen atom from its ionization potential and electron affinity

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Homework help: Derive the electronegativity on the Pauling Scale of a ground-state oxygen atom from its ionization potential and electron affinity (see tables in the book for values of ionization potential and electron affinity)

lonization
Energies
Table 1.6 First and second (and some higher) ionization energies of the elements,
/(k) mol )
Не
1312
2373
5259
LI
Be
Ne
513
899
801
1086
1402
1314
1681
2080
7297
1757
2426
2352
2855
3386
3375
3952
11809
14844
3660
4619
4577
5300
6050
6122
25018
Na
Mg
Al
Si
CI
Ar
495
737
577
786
1011
1000
1251
1520
4562
1476
1816
1577
1903
2251
2296
2665
6911
7732
2744
3231
2911
3361
3826
3928
11574
K
Ca
Ga
Ge
As
Se
Br
Kr
419
589
579
762
947
941
1139
1351
3051
1145
1979
1537
1798
2044
2103
3314
4410
4910
2963
3302
2734
2974
3500
3565
Rb
Sr
In
Sn
Sb
Te
Xe
403
549
558
708
834
869
1008
1170
2632
1064
1821
1412
1794
1795
1846
2045
3900
4210
2704
2943
2443
2698
3197
3097
Cs
Ba
Pb
BI
Po
At
Rn
375
502
590
716
704
812
926
1036
2420
965
1971
1450
1610
1800
1600
3400
3619
2878
3080
2466
2700
2900
Transcribed Image Text:lonization Energies Table 1.6 First and second (and some higher) ionization energies of the elements, /(k) mol ) Не 1312 2373 5259 LI Be Ne 513 899 801 1086 1402 1314 1681 2080 7297 1757 2426 2352 2855 3386 3375 3952 11809 14844 3660 4619 4577 5300 6050 6122 25018 Na Mg Al Si CI Ar 495 737 577 786 1011 1000 1251 1520 4562 1476 1816 1577 1903 2251 2296 2665 6911 7732 2744 3231 2911 3361 3826 3928 11574 K Ca Ga Ge As Se Br Kr 419 589 579 762 947 941 1139 1351 3051 1145 1979 1537 1798 2044 2103 3314 4410 4910 2963 3302 2734 2974 3500 3565 Rb Sr In Sn Sb Te Xe 403 549 558 708 834 869 1008 1170 2632 1064 1821 1412 1794 1795 1846 2045 3900 4210 2704 2943 2443 2698 3197 3097 Cs Ba Pb BI Po At Rn 375 502 590 716 704 812 926 1036 2420 965 1971 1450 1610 1800 1600 3400 3619 2878 3080 2466 2700 2900
Electron
Affinities
Table 1.7 Electron affinities of the main-group elements, E/(k) mol-)*
H
Не
72
-48
Li
Be
B CN
0 F
Ne
60
27
122
-8
141
328
-116
-780
Na
Mg
Al
Si
P
S
CI
Ar
53
43
134
72
200
349
-96
-492
K
Ca
Ga
Ge
As
Se
Br
Kr
48
2
29
116
78
195
325
-96
Rb
Sr
In
Sn
Sb
Te
Xe
47
5
29
116
103
190
295
-77
* The first values refer to the formation of the ion X- from the neutral atom; the second
value to the formation of X?- from X.
A VI
Transcribed Image Text:Electron Affinities Table 1.7 Electron affinities of the main-group elements, E/(k) mol-)* H Не 72 -48 Li Be B CN 0 F Ne 60 27 122 -8 141 328 -116 -780 Na Mg Al Si P S CI Ar 53 43 134 72 200 349 -96 -492 K Ca Ga Ge As Se Br Kr 48 2 29 116 78 195 325 -96 Rb Sr In Sn Sb Te Xe 47 5 29 116 103 190 295 -77 * The first values refer to the formation of the ion X- from the neutral atom; the second value to the formation of X?- from X. A VI
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