which of the following statemets is not true about the hexagonal close packing ?A. The coordination number is 12B. It has 74% packing efficiencyC. Tetrahedral voids of the second layer are covered by the spheres of the third layerD. In this arrangement spheres of the fourth layer are exactly aligned with thoseof the first layer

which of the following statemets is not true about the hexagonal close

1.	which of the following statemets is not true about the hexagonal close packing ?A. The coordination number is 12B. It has 74% packing efficiencyC. Tetrahedral voids of the second layer are covered by the spheres of the third layerD. In this arrangement spheres of the fourth layer are exactly aligned with thoseof the first layer
Answer» Correct Answer - D In hexagonal close packing,it is the third layer,spheres of which are exactly aligned with those of the first layer. Other given statements are ture.

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