CsCl Crystallizes in a Unit Cell That Contains the Cs⁺

Multiple Choice

CsCl crystallizes in a unit cell that contains the Cs⁺ ion at the center of a cube that has a Cl^- at each corner. Each unit cell contains ________ Cs⁺ ion(s) and ________ Cl^- ion(s) , respectively.

A) 1 and 8
B) 2 and 1
C) 1 and 1
D) 2 and 2
E) 2 and 4