Electronegativity

Appendix

Atom	Atomic No.	Electronegativity
H	1	2.1
He	2	3.74
Li	3	0.87
Be	4	1.37
B	5	1.91
C	6	2.4
N	7	2.97
O	8	3.4
F	9	4
Ne	10	4.67
Na	11	0.91
Mg	12	1.13
Al	13	1.37
Si	14	1.64
P	15	1.96
S	16	2.34
Cl	17	2.73
Ar	18	3.19
K	19	0.81
Ca	20	0.94
Sc	21	1.1
Ti	22	1.22
V	23	1.35
Cr	24	1.46
Mn	25	1.5
Fe	26	1.54
Co	27	1.6
Ni	28	1.65
Cu	29	1.65
Zn	30	1.56
Ga	31	1.72
Ge	32	1.92
As	33	2.1
Se	34	2.38
Br	35	2.64
Kr	36	2.9
Rb	37	0.79
Sr	38	0.89
Y	39	1.01
Zr	40	1.12
Nb	41	1.13
Mo	42	1.2
Tc	43	1.26
Ru	44	1.32
Rh	45	1.35
Pd	46	1.25
Ag	47	1.32
Cd	48	1.36
In	49	1.39
Sn	50	1.62
Sb	51	1.72
Te	52	1.91
I	53	2.11
Xe	54	2.35
Cs	55	0.76
Ba	56	0.87
La	57	0.98
Ce	58	0.98
Pr	59	0.97
Nd	60	0.97
Pm	61	0.97
Sm	62	0.97
Eu	63	0.91
Gd	64	1.01
Tb	65	1
Dy	66	1
Ho	67	1
Er	68	1.01
Tm	69	1.01
Yb	70	0.96
Lu	71	1.04
Hf	72	1.13
Ta	73	1.23
W	74	1.3
Re	75	1.36
Os	76	1.42
Ir	77	1.45
Pt	78	1.34
Au	79	1.32
Hg	80	1.34
Tl	81	1.34
Pb	82	1.45
Bi	83	1.57
Po	84	1.66
At	85	1.8
Rn	86	1.95
Fr	87	0.76
Ra	88	0.87
Ac	89	0.9
Th	90	1.01
Pa	91	1.04
U	92	1.12
Np	93	1.12
Pu	94	1.12
Am	95	1.1
Cm	96	1.1
Bk	97	1.1
Cf	98	1.1
Es	99	1.1
Fm	100	1.1
Md	101	1.1
No	102	1.1
Lr	103
Mann, J. B.; Meek, T.L.; Allen, L. C. J. Am. Chem. Soc. 2000, 122, 2780-2783. Mann, J. B.; Meek, T. L.; Knight, E. T.; Capitani, J. F.; Allen, L. C. J. Am. Chem. Soc. 2000, 122, 5132-5137. Allred, A. L.; Rochow, E. G. J. Inorg. Nucl. Chem. 1958, 5, 264. Meek, T. L. J. Chem. Educ. 1995, 72, 17. Little, E. J.; Jones, M. M. J. Chem. Educ. 1960, 37, 231. Allred, A. L. J. Inorg. Nucl. Chem. 1961, 17, 215.

License

Icon for the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License