Question Detail
Question
An electron in the conduction band
Correct Answer
Option C is the correct answer.
Detailed Explanation
In solid-state physics, the conduction band represents the lowest range of vacant electronic states, while the valence band is the highest range of occupied electronic states. Electrons that move into the conduction band gain energy, making them higher in energy than electrons in the valence band and free to move, thus contributing to electrical conductivity.
Hint
Think about the energy levels of electrons in different bands within a solid material and their role in electrical conductivity.