Determining Atom Radius from Crystal Lattice Measurements

Example 13.6. Aluminum has a density of 2.699, and the atoms

are packed into a face-centered cubic unit cell. Use this information to find the radius of an aluminum atom.

• Find the mass of the unit cell

• Find the unit cell volume using the density

• Find the length of an edge of a unit cell

• Calculate the radius of an aluminum atom

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