The nature of bonding in metals, insulators, and semiconductor elements has to be explained. Concept introduction: Nature of bonding in a compound has to be described by the most familiar method molecular orbital theory. The bond formation between atoms has to be clearly known by using this method. Molecular orbital theory: The interaction between two atomic orbitals gives new bonding and anti-bonding orbitals. These molecular orbital have energy gap, depending on energy gap these orbitals are closely spaced which is said to be band. The closely spaced filled energy levels will make the valence band. The upper half of the energy levels belongs to the empty, delocalized molecular orbitals. This set of closely spaced empty levels is said to be conduction band. Depending on these valence band and the conduction band the mobility of electrons in an atoms can easily we can say.

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Chapter 21, Problem 21.20QP

Interpretation Introduction

Interpretation:

The nature of bonding in metals, insulators, and semiconductor elements has to be explained.

Concept introduction:

Nature of bonding in a compound has to be described by the most familiar method molecular orbital theory. The bond formation between atoms has to be clearly known by using this method.

Molecular orbital theory: The interaction between two atomic orbitals gives new bonding and anti-bonding orbitals. These molecular orbital have energy gap, depending on energy gap these orbitals are closely spaced which is said to be band.

The closely spaced filled energy levels will make the valence band.

The upper half of the energy levels belongs to the empty, delocalized molecular orbitals. This set of closely spaced empty levels is said to be conduction band.

Depending on these valence band and the conduction band the mobility of electrons in an atoms can easily we can say.

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