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lone pair

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lone pair

In chemistry, a pair of electrons in the outermost shell of an atom that are not used in bonding. In certain circumstances, they will allow the atom to bond with atoms, ions, or molecules (such as boron trifluoride, BF3) that are deficient in electrons, forming coordinate covalent (dative) bonds in which they provide both of the bonding electrons.
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The fluorescent color that appears under the UV light is affected by the negative charge on the sulfate group for cellulose sulfate or, for methyl cellulose, by the lone pair of electrons on the methoxyl group.
Preparation of specialized paper by Solutions - for People, Processes and Paper
Thus, he could not study lone pairs, as did Fesik's group.
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