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Question: Answered & Verified by Expert
What is the edge length of a unit cell in a cubic close-packed (ccp) structure in terms of the sphere radius (r)?
ChemistrySolid StateNEET
Options:
  • A a = 2r
  • B a = 3r
  • C a = 4r
  • D a = 5r
Solution:
1438 Upvotes Verified Answer
The correct answer is: a = 2r
The edge length (a) of a unit cell in a cubic close-packed (ccp) structure is equal to 2 times the radius of the spheres (a = 2r).

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