Electronegativity Values And Periodic Trends Chart (Vertical)

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Electronegativity Values and Periodic Trends
The table below supplies the electronegativity values of several elements, as calculated by Linus Pauling. The
data clearly shows that electronegativity is a periodic property.
Increases across a period
H
He
2.1
Li
Be
B
C
N
O
F
Ne
0.98
1.57
2.04
2.55
3.04
3.44
3.98
Na
Mg
Al
Si
P
S
Cl
Ar
0.93
1.31
1.61
1.90
2.19
2.58
3.16
K
Ca
Ga
Ge
As
Se
Br
Kr
0.82
1.00
2.18
2.55
2.96
Rb
Sr
In
Sn
Sb
Te
I
Xe
0.82
0.95
2.05
2.1
2.66
Cs
Ba
Tl
Pb
Bi
Po
At
Rn
0.79
0.89
2.02
2.0
2.2
Fr
Ra
0.7
Decreases down a group
Note that the noble gases are not assigned values as it is rare for them to form compounds with other
elements, and can thus be considered as having zero electronegativity. Also note that of all the elements on
the Periodic Table, fluorine has the highest electronegativity and francium has the lowest electronegativity.

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