lone pair

(redirected from Unshared pair)

lone pair

n
(Chemistry) chem a pair of valency electrons of opposite spin that are not shared between the atoms in a molecule and are responsible for the formation of coordinate bonds
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References in periodicals archive ?
The antioxidant behavior of the prepared compounds can be attributed to their chemical structure; in other words, due to the presence of [Mathematical Expression Omitted] structure containing a labile hydrogen atom and the unshared pair of electrons on both nitrogen atoms (ref.
Of special interest to inorganic chemists is the treatment of compounds with unshared pairs of electrons, and Hyde and Anderson show that, for structural purposes, the lone pairs can be regarded as anions.