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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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Chapter
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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

List the Group 4A elements in order of the size of the band gap.

Interpretation Introduction

Interpretation:

The order of the size of the band gab in 4A group elements has to be listed.

Concept introduction:

  • Semiconductors will conduct the electric current more easily.
  • Insulator: Under the influence of electric field, the little electric current will flow in the material is called insulator, whose internal electric charges do not flow freely.
  • Band gap is the difference in energy between the valence band and the conduction band of a solid material.
Explanation

The 4A group’s elements are carbon, silicon, germanium, tin, lead.

In the band gap is so large in the carbon for the movement of electrons from valence band and the conduction band. But the band gap is small in the silicon for the movement of electrons from valence band and the conduction band, because of this reason diamond is insulator and silicon is semiconductor.

In the band gap is large in silicon when compare to germanium and is semiconductor...

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