What is the role of the electrons that are found within the valence band of a cr
ID: 571536 • Letter: W
Question
What is the role of the electrons that are found within the valence band of a crystalline solid?
options:
These electrons contribute to electrical conductivity of the solid.
These electrons are required for superconductivity in the solid.
These electrons are required to hold atoms in their lattice positions.
These electrons can move throughout the solid with minimal resistance.
A.These electrons contribute to electrical conductivity of the solid.
B.These electrons are required for superconductivity in the solid.
C.These electrons are required to hold atoms in their lattice positions.
D.These electrons can move throughout the solid with minimal resistance.
Explanation / Answer
Option (c) is correct.
These electrons are requried to hold atoms in their lattice positions.
Electrons , which are found in valence band , are shared with neighbour atoms to form a crystalline solid through covalent bonds.
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