Illustrated Glossary of Organic Chemistry
Lone pair (non
bond
ed pair, non
bond
ed electron pair):
A
valence shell
electron pair associated with one atom, and not part of a
covalent bond
. Can be part of a
noncovalent interaction
.
The oxygen atom of
water
has two lone pairs.
Related terms:
Lewis structure
,
Lewis dot structure
,
bond-line structure
,
Kekule structure
,
formal charge
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