What is a covalent bond ? Show the bond formation in a diatomic
molecule of hydrogen (atomic number 1) and name the covalent bond
formed in this case. How is this type of bond represented ?

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a covalent bond is formed by the sharing of electrons....there is no ion formed..

each hydrogen has 1 valence electron ..so in order to get stable it shares it electron with another hydrogen atom to form diatomic molecule of hydrogen... a single bond is represented by a single hyphen

H* *H (* represents valance electrons)

H ** H ( both hydrogen share electrons to complete their duplet and form a single covalent bond)

H - H

I guess this is Sigma bond ...but i am not sure.. but this all is in higher classes Sigma bonds , orbitals..etc.

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