Aluminum has a density of 2.7 g/cm3, an FCC crystal structure, and an atomic (molecular) weight of 26.98. a. What is the lattice parameter, in angstroms and in centimeters b. What is the diameter of...

Aluminum has a density of 2.7 g/cm3, an FCC crystal structure, and an atomic (molecular) weight of 26.98.

a. What is the lattice parameter, in angstroms and in centimeters

b. What is the diameter of an aluminum atom, in angstroms, if the atom is spherical in shape?