Zn converts its molten state to its solid state. If it has hcp structure, then find out number of nearest atoms.
A
6
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B
8
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C
12
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D
4
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Solution
The correct option is D12 In hcp structure, the coordination number is 12. Since Zn is in hcp structure, the number of nearest neighbours is 12, six are in the plane, 3 above the plane and 3 below the plane.