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the number of tetrahedral voids per uni...

the number of tetrahedral voids per unit cell in NaCl crystal is ………… .

A

4

B

9

C

twice the number of octahedral voids.

D

four times the number of octahedral voids.

Text Solution

Verified by Experts

The correct Answer is:
C
The number of the tetrahedral voids in any crystal structure is twice the number of octahedral volds. The number of tetrahedral voids in NaCl structure is 8 and that of the octahedral voids will be 4.
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