Q1 of 30 Page 256

Which of the following statements is not true for hexagonal close packing?

Hexagonal close-packing can be arranged by two layers A and B placed one over another which can be represented by the following diagram:



Here, we can say that the second and third layers are not exactly aligned. So statement (iii) is not correct. Only the first and third layers are identical A-A or B-B. So options (i),(ii) and (iv) are correct.

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