Aluminium metal (atomic weight = 27 g) crystallises in the cubic system with edge length 4.0 Å. The density of metal is 27.16 amu/Å^(3). Determine the unit cell type and calculate the radius of the Aluminium metal.

Aluminium metal (atomic weight = 27 g) crystallises in the cubic syste

1.	Aluminium metal (atomic weight = 27 g) crystallises in the cubic system with edge length 4.0 Å. The density of metal is 27.16 amu/Å^(3). Determine the unit cell type and calculate the radius of the Aluminium metal.
Answer» ANSWER :FCC, `SQRT2 Å`