Multiple Choice
Aluminum has a face-centered cubic unit structure and a density of 2.716 g/cm3. Calculate the edge length of the unit cell.
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An element crystallizes in a face-centered cubic lattice and has a density of 3.16 g/cm3. The edge of its unit cell is 7.49 x 10-8 cm. How many atoms are in each unit cell?
4 atoms
2 atoms
1 atom
3 atoms