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# Counting Atoms in the Unit Cell

CHEM-IXRJUS

Consider the unit cell shown below:

If the purple atoms are "A" atoms, the blue atoms are "B" atoms, and the red atoms are "C" atoms, what is the correct chemical formula?

A

$A{B}_{8}{C}_{6}$

B

$A{B}_{8}{C}_{3}$

C

$AB{C}_{3}$

D

$AB{C}_{6}$

E

$A{B}_{2}{C}_{3}$