Covalent Bond and Formal Charge (F.C.) | Chemistry Notes Info - Your Chemistry Tutor provide notes for Classes, BSc, MSc, Chemistry Test

Covalent Bond and Formal Charge (F.C.)

Covalent Bond

Covalent Bonds are the bonds which are formed  by sharing of electrons.
·        When sharing of one pair of electron takes place is known as single covalent bond.
·        When sharing of two pair of electrons takes place is known as double bond.
·        When sharing of three pair of electron takes place is known as triple bond.

Formal Charge (F.C.)

For polyatomic molecule or ion, formal charge of an atom in a Lewis structure = [Total no. of                 Valence electron in free Atom] - [total no. of non bonding (lone- pair) elements]- 1/2[total no of bonding (shared) electrons]
Ex  :-  Lewis structure of O3 (ozone molecule)
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