1-
27
Chemistry 121, Winter 2008, LA Tech
H
2.1
Li
Be
B
C
N
O
F
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Na
Mg
Al
Si
P
S
Cl
0.9
1.2
1.5
1.8
2.1
2.5
3.0
i
n
c
r
e
a
s
e
s
increases
Is the attraction of an atom for its valence electrons
Electronegativity (Review)