How will you distinguish between the following pairs of terms(i) Hexagonal close packing and cubic close packing (ii) Crystal lattice and unit cell (iii)Tetrahedral void and octahedral void.

How will you distinguish between the following pairs of terms(i) Hexag

1.	How will you distinguish between the following pairs of terms(i) Hexagonal close packing and cubic close packing (ii) Crystal lattice and unit cell (iii)Tetrahedral void and octahedral void.
Answer» Solution :Hexagonal CLOSE PACKING is ABAB…... type WHEREAS CUBIC close packing is ABC ABC…... type.