Which of the following crystal lattice has the miniumuum empty space?

Which of the following crystal lattice has the minimum empty space?

Packing efficiency is the percentage of total space filled by the particles. Which of the following lattices has the highest packing efficiency? Simple cubic lattice, body centered cubic lattice, hexagonal close packed lattice

Which of the following crystal systems has maximum number of Bravais lattices?

Monoclinic crystal lattice has dimensions

Which of the following crystal system has only primitive Bravais lattice ?

Distinguish the following. Crystal lattice and unit cell

Which of the following crystal systems does not have body-centred lattice-

In ABCABC packing of atoms, which of the following cubic lattice has 74% space occupied by the atoms?

What is crystal lattice (space lattice) ?