Question

difference between hexagonal close packing and cubic close packing​

Answer 1

Answer:

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The hexagonal and cubic close packing arrangement are used to describe the arrangement of spheres and holes in lattices. The difference between hexagonal close packing and cubic close packing is that a unit cell of hexagonal close packing has 6 spheres whereas a unit cell of cubic close packing has 4 spheres.

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Answer 2

Answer:

Hexagonal close packing is an arrangement of spheres in a lattice; there are two layers of spheres placed one on the other, forming tetrahedral and octahedral holes. Cubic close packing is an arrangement of spheres in a lattice; there are three layers of spheres placed one on the other, covering all the octahedral holes by a third layer of spheres.