What is a lone pair of electrons?

A pair of electrons which is shared by the reacting atoms is called a lone pair of electrons.

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A pair of electrons which is lost by one of the reacting atoms is called a lone pair of electrons.

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A pair of electrons which is gained by one of the reacting atoms is called a lone pair of electrons.

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A pair of electrons which is not shared by any of the reacting atoms is called a lone pair of electrons.

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Solution

The correct option is D
A pair of electrons which is not shared by any of the reacting atoms is called a lone pair of electrons.

A pair of electrons which is not shared by any of the reacting atoms is called a lone pair of electrons. Lone pairs are found in the outermost electron shell of atoms. They can be identified by using a Lewis structure.

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Similar questions

Q. You might have observed in

C O_{2}

molecule, that there are two pairs of valence electrons on each of the oxygen atoms that are not bonded. Such a pair of electrons is called a lone pair. Now how many lone pairs are present is

S_{8}

molecule?

You might have observed in $C O_{2}$ molecule that there are two pairs of valence electrons on each of the oxygen atoms that are not bonded. Such a pair of electrons is called a lone pair. Now how many lone pairs are present is $S_{8}$ molecule?

Compounds in which the shared pair of electrons is unequally shared between the reacting atoms are called a___ compound.

Q. Statement 1 - Lone pair electrons have more electron density around the central atom than bond pairs.

Statement 2 - Bond pair electrons are shared between two atoms while lone pair aren't.

(i) What is a lone pair of electrons?
(ii) Draw an electron dot diagram of a hydronium ion and label the lone pair of electrons.
(iii) Name a neutral covalent molecule which contains one lone pair of electrons.

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