What are the coordination number in each cell? Simple cubic, face centred cubic and body centred cubic
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Answer:simple cubic : 6
Face centred : 12
Body centred : 8
Explanation:coordination no. Is defined as the maximum no. of nearest neighbour ring atoms to any atom
In fcc a corner atom must have 3 nearest fcc to it in a unit cell but a corner is common to 8 unit cell a corner atom must have 8×3=24 nearest fcc around it
But we counted each face two times so nearest neighbours to a corner is 12
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