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In a standard unit cell, what is the exact fractional contribution of an atom located precisely at tSolid State Chemistry Question

Question

In a standard unit cell, what is the exact fractional contribution of an atom located precisely at the body centre to that specific unit cell?

Answer: D

💡 Solution & Explanation

An atom at the body centre lies entirely inside one unit cell and is not shared with neighbouring cells. Therefore its contribution to that unit cell is $1$.

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