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20/09/2021 8:51 pm
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Right options for the number of tetrahedral and octahedral voids in hexagonal primitive unit cell are
(1) 8, 4
(2) 6, 12
(3) 2, 1
(4) 12, 6
1 Answer
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20/09/2021 8:59 pm
Correct answer: (4) 12, 6
Explanation:
No. of atoms in Hexagonal primitive unit cell = 6 No. of Tetrahedral voids
= 2 × No. of atoms per unit cell
= 2 × 6
= 12
No. of Octahedral voids = No. of atoms per unit cell
= 6