Solid State Question 292
Question: Which one of the following statements about packing in solids is incorrect-
Options:
A) Coordination number in bcc mode of packing is 8.
B) Coordination number in hcp mode of packing is 12.
C) Void space in hcp mode of packing is 32%.
D) Void space is ccp mode of packing is 26%.
Show Answer
Answer:
Correct Answer: C
Solution:
[c] The hcp arrangement of atoms occupies 74% of the available space and thus has 26% vacant space.