JEE Main Chemistry question

Not in JEE Main or NEET syllabus

How many number of atoms are there in a cube based unit cell having one atom on each corner and two atoms on each body diagonal of cube

(A)8
(B)6
(C)4
(D)9Correct

Answer: (D)

Solution

The 8 corner atoms contribute atom as usual. There are 4 body diagonals in a cube, and the atoms placed on each diagonal (other than the shared corners already counted) are interior to the cell and are not shared

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Question ID VK-141602