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Pronunciation varies by accent · noun
(chemistry) A higher than normal valency (typically involving a transfer of the electrons from the central (hypervalent) atom to the nonbonding molecular orbitals which it forms with (usually more electronegative) ligands).
Use hypervalency when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Hypervalency means (chemistry) A higher than normal valency (typically involving a transfer of the electrons from the central (hypervalent) atom to the nonbonding molecular orbitals which it forms with (usually more electronegative) ligands).
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use hypervalency where its definition matches the intended context.
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