The Band Structure of Semiconductors Differs from That of Metal

question 59

Multiple Choice

The band structure of semiconductors differs from that of metal conductors in that ________

• A)metal bands are relatively empty, while semiconductor bands are nearly full.
• B)metal bands are nearly full, while semiconductor bands are relatively empty.
• C)metal conduction bands are lower in energy than valence bands, while semiconductor conduction bands are higher in energy than valence bands.
• D)metal conduction bands are higher in energy than valence bands, while semiconductor conduction bands are lower in energy than valence bands.
• E)valence bands in metals are either partially empty or overlap with conduction bands, while these bands in semiconductors are separated by a small gap.

---

Definitions:

Gut Bacteria

Microorganisms living in the digestive tract that play a crucial role in digestion, immune function, and overall health.

Brain's Plasticity

The brain's ability to rearrange its connections, essentially rewiring itself in response to learning or experience or in reaction to injury.

Microbiome

The collective genome of all the microorganisms (bacteria, fungi, and viruses) living inside and on the human body, influencing health and disease.

Cerebral Palsy

A neurological disorder appearing in infancy or early childhood and permanently affecting body movement and muscle coordination.