Ionization Energies, Electron Affinities and Electronegativies of the Elements



IE
EA
EE 		1
H
1310
67.4
2.20















































2
He
2372
-60.2
*


IE
EA
EE 		3
Li
519
77.0
0.98 		4
Be
900
-18.4
1.57





























5
B
799
31.8
2.04 		6
C
1088
119.7
2.55 		7
N
1406
4.6
3.04 		8
O
1314
141.8
3.44 		9
F
1682
349.4
3.98 		10
Ne
2080
-54.8
*


IE
EA
EE 		11
Na
498
117.2
0.93 		12
Mg
736
0
1.31





























13
Al
577
50.2
1.61 		14
Si
787
138.1
1.90 		15
P
1063
75.3
2.19 		16
S
1000
199.6
2.58 		17
Cl
1255
356.1
3.16 		18
Ar
2372
-60.2
*


IE
EA
EE 		19
K
1310
67.4
2.20 		20
Ca
590
*
1.00 		21
Sc
632
*
1.36 		22
Ti
661
*
1.54 		23
V
653
*
1.63 		24
Cr
653
*
1.66 		25
Mn
715
*
1.55 		26
Fe
761
*
1.8 		27
Co
757
*
1.88 		28
Ni
736
*
1.91 		29
Cu
745
*
1.90 		30
Zn
904
*
1.65 		31
Ga
577
*
1.81 		32
Ge
782
*
2.01 		33
As
966
*
2.18 		34
Se
941
*
2.55 		35
Br
1142
333.0
2.96 		36
Kr
1351
*
*


IE
EA
EE 		37
Rb
402
*
0.82 		38
Sr
548
*
0.95 		39
Y
636
*
1.22 		40
Zr
669
*
1.33 		41
Nb
653
*
1.6 		42
Mo
695
*
2.16 		43
Tc
699
*
1.9 		44
Ru
724
*
2.28 		45
Rh
745
*
2.2 		46
Pd
803
*
2.20 		47
Ag
732
*
1.93 		48
Cd
866
*
1.69 		49
In
556
*
1.78 		50
Sn
707
*
1.96 		51
Sb
833
*
2.05 		52
Te
870
*
2.1 		53
I
1008
304.2
2.66 		54
Xe
1172
*
*


IE
EA
EE 		55
Cs
377
*
0.79 		56
Ba
502
*
0.89 		57
La
540
*
1.10 		72
Hf
531
*
1.3 		73
Ta
577
*
1.5 		74
W
770
*
2.36 		75
Re
761
*
1.9 		76
Os
841
*
2.2 		77
Ir
887
*
2.2 		78
Pt
866
*
2.28 		79
Au
891
*
2.54 		80
Hg
1008
*
2.00 		81
Tl
590
*
2.04 		82
Pb
715
*
2.33 		83
Bi
774
*
2.02 		84
Po
*
*
2.0 		85
At
*
*
2.2 		86
Rn
1038
*
*

Ionization Energy (IE) and Electron Affinities (EA) are expressed as kilojoules per mole.

电离能和电子亲和性表达为每千焦耳摩尔。

1 eV = 96,490 J/mol


Source: R.E. Dickerson, H.B. Gray and G.P. Haight, "Chemical Principles," 3rd edition, Benjamin/Cummings Publishing, 1979.

说明:Ionization Energy (IE)  电离能;Electron Affinities (EA)电子亲和性;Electronegativies of the Elements(EE) 电负性.