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Question: Answered & Verified by Expert
If $Z$ is the number of atoms in the unit cell that represents the closest packing sequence ... $B$ $C A B C \ldots$, the number of tetrahedral voids in the unit cell is equal to
ChemistrySolid StateAIIMSAIIMS 2005
Options:
  • A $Z$
  • B $2 Z$
  • C $Z / 2$
  • D $Z / 4$.
Solution:
2228 Upvotes Verified Answer
The correct answer is: $2 Z$
Number of tetrahedral voids in the unit cell $=2 \times$ number of atoms $=2 Z$.

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