Density|Packing Fraction#!# Coordination no.

Packing fraction in F.C.C lattice is:

No.OF Atoms/Unit Cell (Z),Mass OF Unit Cell,Volume OF Unit Cell,Density OF Unit Cell, Packing Fraction OF Unit Cell,Lattice Parameters Solved Numerical Class illustration

Assertion . Hexagonal close packing is equally closely packed than cubic close packing . Reason. Hexagonal close packing has a corrdination number of 12 whereas cubic close packing has a coordination number of 8.

Percentage of packing fraction in cubic close packed structure and in body centered packed structure are respectively.

Packing fraction of an identical solid sphere is 74% in :