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Additional
hypervalent molecule
English Wikipedia - The Free Encyclopedia
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Hypervalent molecule
A
hypervalent molecule
(the phenomenon is sometimes colloquially known as
expanded octet
) is a
molecule
that contains one or more
main group elements
formally bearing more than eight
electrons
in their
valence shells
.
Phosphorus pentachloride
(PCl
5
),
sulfur hexafluoride
(SF
6
),
chlorine trifluoride
(ClF
3
), and the
triiodide
(I
3
-
) ion are examples of hypervalent molecules.
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