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The only incorrect statement for the pac...

The only incorrect statement for the packing of identical spheres in two dimension is:

A

for square close packing, coordinatioin number is 4.

B

for hexagonal, close packing, coordination number is 6.

C

there is only one void per atom in both, square and hexagonal close packing.

D

hexagonal close packing is more efficiently packed than square close packing.

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Choose the only incorrect statement from the following

In hexagonal close packing of spherer in three dimensions.

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