niobium has an atomic radius of 0.1430?
Niobium (Nb) has an atomic radius of 0.1430 nm and a density of 8.57 g/cm3. ... Here, theoretical density of niobium is , number of atoms in FCC structure is , atomic weight of niobium is , unit cell volume is , edge length is , atomic radius of niobium atom is and Avogadro's number is .