(5 points) Walter prepares blue crystals, named as myth, which adopt a side-centered cubic (scc) cell, where atoms occupy the center of sides of a cubic cell. (The myth molecule is assumed to have a perfect spherical shape.) a) Find out how many atoms are present in each unit cell. b) Calculate the atomic packing factor (APF) of scc unit cell. c) Given the density of the material as 6.184 g/cm3 and a molar mass of 132 g/mol, determine the radius (in ) of myth molecule. d) Find the linear density (in -1 ) of the following vectors in scc; [111], [110], and [100]. (You can choose the origin as one of the corners of scc cell.) e) Determine the number of holes with coordination numbers 6, 8, and 12 per unit cell.