Electronegativity in the Periodic Table
1A 7A 8A
1
H
2.1
2A


3A
4A
5A
6A		 1
H
2.1		 2
He
3
Li
1.0		 4
Be
1.5

5
B
2.0		 6
C
2.5		 7
N
3.0		 8
O
3.5		 9
F
4.0		 10
Ne
11
Na
0.9		 12
Mg
1.2
3B
4B
5B
6B
7B
8B
1B
2B		 13
Al
1.5		 14
Si
1.8		 15
P
2.1		 16
S
2.5		 17
Cl
3.0		 18
Ar
19
K
0.5		 20
Ca
1.0		 21
Sc		 22
Ti		 23
V		 24
Cr		 25
Mn		 26
Fe		 27
Co		 28
Ni		 29
Cu		 30
Zn		 31
Ga
1.8		 32
Ge
1.8		 33
As
2.0		 34
Se
2.4		 35
Br
2.8		 36
Kr
37
Rb
0.8		 38
Sr
0.9		 39
Y		 40
Zr		 41
Nb		 42
Mo		 43
Tc		 44
Ru		 45
Rh		 46
Pd		 47
Ag		 48
Cd		 49
In
1.7		 50
Sn
1.8		 51
Sb
1.9		 52
Te
2.1		 53
I
2.5		 54
Xe
55
Cs
0.7		 56
Ba
0.9		 57
*La		 72
Hf		 73
Ta		 74
W		 75
Re		 76
Os		 77
Ir		 78
Pt		 79
Au		 80
Hg		 81
Tl
1.8		 82
Pb
1.9		 83
Bi
1.9		 84
Po
2.0		 85
At
2.2		 86
Rn
87
Fr		 88
Ra		 89
**Ac		 104
Db		 105
Jl		 106
Rf		 107
Bh		 108
Hn		 109
Mt		 110
 111
 112
*Lanthanides
58
Ce		 59
Pr		 60
Nd		 61
Pm		 62
Sm		 63
Eu		 64
Gd		 65
Tb		 66
Dy		 67
Ho		 68
Er		 69
Tm		 70
Yb		 71
Lu
**Actinides
90
Th		 91
Pa		 92
U		 93
Np		 94
Pu		 95
Am		 96
Cm		 97
Bk		 98
Cf		 99
Es		 100
Fm		 101
Md		 102
No		 103
Lr