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Band Theory and Semiconductor Classification Quiz

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Band Theory and Semiconductor Classification Quiz

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Questions and Answers

Solid materials can be classified into three categories based on their electronic structure and properties: Conductors, Semiconductors and ______

Insulators

Valence band contains energy levels of valence electrons which remain in the outermost ______

orbit

Conduction band contains energy levels of free electrons (conduction electrons) Band gap is the gap between the top of the valence band and the bottom of the conduction band which does not contain any energy ______

levels

E K Diagram Gives energy-momentum relationship for an ______

electron Signup and view all the answers

Gives an idea of band ______

gap Signup and view all the answers

What are the three categories in which solid materials can be classified based on their electronic structure and properties?

Conductors, Semiconductors, and Insulators Signup and view all the answers

What is the valence band? What kind of energy levels does it contain?

The valence band contains energy levels of valence electrons which remain in the outermost orbit. Signup and view all the answers

What is the conduction band? What kind of energy levels does it contain?

The conduction band contains energy levels of free electrons (conduction electrons). Signup and view all the answers

What is the band gap? What does it signify?

The band gap is the gap between the top of the valence band and the bottom of the conduction band which does not contain any energy levels. It signifies the energy required for an electron to move from the valence band to the conduction band. Signup and view all the answers

What does the E K diagram provide an idea of?

The E K diagram provides an energy-momentum relationship for an electron and gives an idea of the band structure and band gap. Signup and view all the answers