The number of octahedral and tetrahedral holes respectively present in a hexagonal close packed (hep) crystal of 'X' atoms are:
A
X, 2X
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B
X, X
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C
2X, X
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D
2X, 2X
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Solution
The correct option is C X, 2X The number of octahedral and tetrahedral holes present in a hexagonal close packed (hep) crystal of 'X' atoms are X and 2X respectively.