The space-filling representation provided below is an example of a _____ unit cell,which contains _____ atom(s).
A) face centered cubic,4 atoms
B) primitive cubic,1 atom
C) body centered cubic,2 atoms
D) face centered cubic,13 atoms
E) primitive cubic,7 atoms

Question

The space-filling representation provided below is an example of a _____ unit cell,which contains _____ atom(s). 
A) face centered cubic,4 atoms 
B) primitive cubic,1 atom 
C) body centered cubic,2 atoms 
D) face centered cubic,13 atoms 
E) primitive cubic,7 atoms

Quizplus · Accepted Answer

The space-filling representation shown in the picture is a face centered cubic (FCC) unit cell, in which each corner atom contributes 1/8 of its volume to the unit cell and each face atom contributes 1/2 of its volume. Therefore, there are 4 atoms in this FCC unit cell.

The Space-Filling Representation Provided Below Is an Example of a _____