Molecules usually form chemical bond through either sharing or through rtransfering the electrons. During covalent bonding the electron pairs shared between atoms to form covalent bond are called shared pair or bond pair. At the same time, the electron pair which is not involved in sharing is called lone pair of electrons.
For example: CH4 has 4 bond pairs but H2O has 2 bond pairs and 2 lone pairs.
<p>Molecules usually form chemical bond through either sharing or through rtransfering the electrons. During covalent bonding the electron pairs shared between atoms to form covalent bond are called shared pair or bond pair. At the same time, the electron pair which is not involved in sharing is called lone pair of electrons.</p><p>For example: CH<sub>4</sub> has 4 bond pairs but H<sub>2</sub>O has 2 bond pairs and 2 lone pairs.</p><div><div><picture><source srcset="https://images.shiksha.com/mediadata/images/articles/1741845279phpMNfnlM_480x360.jpeg" media=" (max-width: 500px)"><img src="https://images.shiksha.com/mediadata/images/articles/1741845279phpMNfnlM_480x360.jpeg" alt="" width="423" height="98"></picture></div></div>
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