Question

what is the total number of ions present in one unit cell of cesium chloride lattice?​

Answer 1

Answer:

1 atom

CsCl unit cell is commonly mistaken as BCC structure, but even if there is a center atom in the unit cell, CsCl is really a Non-closed packed structure type. Hence CsCl has 1 atom per unit cell.

Answer 2

Answer:

one cesium ion and

one chloride ion