Which of the following statement is not true about the hexagonal close packing?

Question

KollegeApply · Accepted Answer

In this arrangement spheres of the fourth layer are exactly aligned with those of the first layer. Explanation: Hexagonal close packing can be arranged by two layers A and B one over another which can be diagrammatically represented as Here, we can see easily that 1st layer and 4th layer are not exactly aligned. Thus, statement (iv) is not correct while other statements (i), (ii) and (iii) are true. [Solution diagram: 288961_solution_1.png]

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