Pauling Scale of Electronegativity

H
2.1

He
Li
1.0
Be
1.5


B
2.0
C
2.5
N
3.0
O
3.5
F
4.0
Ne
Na
0.9
Mg
1.2
Al
1.5
Si
1.8
P
2.1
S
2.5
Cl
3.0
Ar
K
0.8
Ca
1.0
Sc Ti  V  Cr Mn Fe Co Ni Cu Zn Ga Ge As Se
Br
2.8
Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te
I
2.5
Xe