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Carbon , silicon and germanium have four...

Carbon , silicon and germanium have four valence electrons each . At room temperature which one of the following statements is most appropriate ?

A

The number of free conduction electrons is neglibly small in all the three

B

The number of free electrons for conduction is significant in all the three

C

The number of free electrons for conduction is significant only in Si and Ge but small in C

D

The number of free electrons for conduction is significant in C but small in Si and Ge

Text Solution

Verified by Experts

The correct Answer is:
C
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