The Molecular- Orbital Model for Ge Shows It to Be

question 44

Multiple Choice

The molecular- orbital model for Ge shows it to be

• A) an insulator, because all the lower energy band orbitals are filled and the gap between the lower and higher bands is large.
• B) a conductor, because its lower energy band orbitals are only partially filled.
• C) a conductor, because all the lower energy band orbitals are filled and the gap between the lower and higher bands is large.
• D) a semiconductor, because the gap between the filled lower and empty higher energy bands is relatively small.
• E) a semiconductor, because the gap between the filled lower and empty higher energy bands is large.

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