Electronegativities of the elements (data page)

Electronegativity (Allen scale)

Number	Symbol	Name	Electronegativity
1	H	hydrogen	2.300
2	He	helium	4.160
3	Li	lithium	0.912
4	Be	beryllium	1.576
5	B	boron	2.051
6	C	carbon	2.544
7	N	nitrogen	3.066
8	O	oxygen	3.610
9	F	fluorine	4.193
10	Ne	neon	4.787
11	Na	sodium	0.869
12	Mg	magnesium	1.293
13	Al	aluminium	1.613
14	Si	silicon	1.916
15	P	phosphorus	2.253
16	S	sulfur	2.589
17	Cl	chlorine	2.869
18	Ar	argon	3.242
19	K	potassium	0.734
20	Ca	calcium	1.034
21	Sc	scandium	1.19
22	Ti	titanium	1.38
23	V	vanadium	1.53
24	Cr	chromium	1.65
25	Mn	manganese	1.75
26	Fe	iron	1.80
27	Co	cobalt	1.84
28	Ni	nickel	1.88
29	Cu	copper	1.85
30	Zn	zinc	1.588
31	Ga	gallium	1.756
32	Ge	germanium	1.994
33	As	arsenic	2.211
34	Se	selenium	2.424
35	Br	bromine	2.685
36	Kr	krypton	2.966
37	Rb	rubidium	0.706
38	Sr	strontium	0.963
39	Y	yttrium	1.12
40	Zr	zirconium	1.32
41	Nb	niobium	1.41
42	Mo	molybdenum	1.47
43	Tc	technetium	1.51
44	Ru	ruthenium	1.54
45	Rh	rhodium	1.56
46	Pd	palladium	1.58
47	Ag	silver	1.87
48	Cd	cadmium	1.521
49	In	indium	1.656
50	Sn	tin	1.824
51	Sb	antimony	1.984
52	Te	tellurium	2.158
53	I	iodine	2.359
54	Xe	xenon	2.582
55	Cs	caesium	0.659
56	Ba	barium	0.881
71	Lu	lutetium	1.09
72	Hf	hafnium	1.16
73	Ta	tantalum	1.34
74	W	tungsten	1.47
75	Re	rhenium	1.60
76	Os	osmium	1.65
77	Ir	iridium	1.68
78	Pt	platinum	1.72
79	Au	gold	1.92
80	Hg	mercury	1.765
81	Tl	thallium	1.789
82	Pb	lead	1.854
83	Bi	bismuth	2.01
84	Po	polonium	2.19
85	At	astatine	2.39
86	Rn	radon	2.60
87	Fr	francium	0.67
88	Ra	radium	0.89

WEL

As quoted at http://www.webelements.com/ from these sources:

A.L. Allred, J. Inorg. Nucl. Chem., 1961, 17, 215.
J.E. Huheey, E.A. Keiter, and R.L. Keiter in Inorganic Chemistry : Principles of Structure and Reactivity, 4th edition, HarperCollins, New York, USA, 1993.

CRC

As quoted from these sources in an online version of: David R. Lide, CRC Handbook of Chemistry and Physics, 84th Edition. CRC Press. Boca Raton, Florida, 2003; Section 9, Molecular Structure and Spectroscopy; Electronegativity

Pauling, L., The Nature of the Chemical Bond, Third Edition, Cornell University Press, Ithaca, New York, 1960.
Allen, L.C., J. Am. Chem. Soc., 111, 9003, 1989.

LNG

As quoted from these sources in: J.A. Dean, Lange's Handbook of Chemistry, McGraw-Hill, 1999; Section 4; Table 4.5, Electronegativities of the Elements.

L. Pauling, The Chemical Bond, Cornell University Press, Ithaca, New York, 1967.
L. C. Allen, J. Am. Chem. Soc. 111:9003.
A. L. Allred J. Inorg. Nucl. Chem. 17:215.

Allen Electronegativities

Three references are required to cover the values quoted in the table.

L. C. Allen, J. Am. Chem. Soc. 111:9003.
J. B. Mann, T. L. Meek and L. C. Allen, J. Am. Chem. Soc. 122:2780.
J. B. Mann, T. L. Meek, E. T. Knight, J. F. Capitani and L. C. Allen, J. Am. Chem. Soc. 122:5132.