Illustrated Glossary of Organic Chemistry
Valence
shell:
The electron shell which contains at atom's
valence electrons
.
1
s
2
2
s
2
2
p
x
1
2
p
y
1
2
p
z
Core shell
Valence
shell
For atomic (non
bonded
) carbon, the
1
s
shell is a core shell, and the
2
s
/
2
p
shell is the
valence
shell.
Related terms:
Valence
,
octet rule
,
open octet
,
expanded octet
,
covalent bond
,
sigma bond
,
pi bond
,
lone pair
,
formal charge
,
pentavalent carbon
,
Texas carbon
,
Lewis structure
,
orbital
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