The crystal system of a compound with unit cell dimensions a=0.387, b=0.387 and c=0.504 nm and alpha=beta=90^(@) and gamma=120^(@) is

The crystal system of a compound with unit cell dimensions a=0.387, b=

1.	The crystal system of a compound with unit cell dimensions a=0.387, b=0.387 and c=0.504 nm and alpha=beta=90^(@) and gamma=120^(@) is
Answer» cubic HEXAGONAL orthorhombic rhombohedral Solution :`"Whan "a=bnec,alpha=beta=90^(@)andgamma=120^(@)`,the unit CELL belongs to hexagonal CRYSTAL system.