Question

Define covalent or molecular bond

Answer 1

Hey answer is...

A covalent bond, also called a molecular bond that involves the sharing of electron pairs between atoms .

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Answer 2

Molecular orbital theory :

1. It regards the nuclei of the molecules as polycentric and constructs the molecular orbitals.

2. The Atomic orbitals lose their individual identity while combining.

3. It takes into account only the increase or the decrease in the electron density at over lapping.

4. The number of bonds is half the difference in the bonding and anti-bonding electrons.

5. It helps in predicting the paramagnetic or diamagnetic character of the molecules.

6. In this theory resonance is not at all considered.