題組內容

2. Tungsten (W) has a high melting point and can be used in semiconductor processing. It has body- centered cubic structure and the density is 19.25 g/cm3. Each W atom has a mass of 183.84 amu. (I amu= 1.66x62c67ec50f515.jpgkg)

(a) Determine the lattice constant of the cubic unit cell. Express your answer in angstrom.