Question
What is the total number of adjacent unit cells shared by each face particle of fcc unit cell ?
MHT CET
Chemistry
Solid State
2026
MHT CET 2026 (18 April Shift 2)
MHT CET Chemistry Question (2026) — Solution
Options
- A. 1
- B. 2
- C. 4
- D. 8
Answer
B. 2
Step-by-step solution
In a face-centered cubic (fcc) unit cell, particles are located at the corners and at the center of each face. A particle present at the center of a face lies exactly on the boundary between two adjacent unit cells. Therefore, each face-centered particle is shared equally by exactly 2 unit cells. Answer: 2
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