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Question: total 15 pointsl a calculate the radius of an aluminum...

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Total 15 pointsl A. Calculate the radius of an Aluminum (Al) atom, given that Al has an FCC crystal structure, a density of 2.71 g/cm, and an atomic wigh of 26.98 g/mo 15 pointsl B. Copper has an atomic radius of 0.128 nm, atomic weight of 63.55 g/mole anda density of 8.9 g/cm. Determine whether it has an FCC or BCC crystal structure. (10 pointsl 4. lodine has an orthorhombic unit cell for which the a, b, and c lattice parameters are 0.481, 0.720, and 0.981 nm, respectively (a) If the atomic packing factor and atomic radius are 0.547 and 0.177 nm, respectively, determine the number of atoms in each unit cell (b) If the atomic weight of iodine is 126.91 g/mol, compute its theoretical density [Total 9 points] 7 pointsl 12 points 5. Rhenium has an HCP crystal structure, an atomic radius of 0.134 nm, and (c/a) ratio Total 14 points] [8 pointsl (b) Calculate the density of Re and compare with the terature value 6 points of 1.615 (a) Compute the volume of the unit cell for Re, and (186207g/mol) 6. Derive the planar density expression for the HCP (0001) plane in terms of the atomic radius R. then compute the planar density value for this same plane for titanium (Ti, if the atomic radius for titanium is 0.145 nm. [8 points] Total 15 pointsl a. Derive linear density expressions for FCC [100] and directions in terms of the atomic radius R. then compute and compare lincar density values for these same two directions for silver with atomic radius of 0.144 nm. b. Derive planar density for FCC (111) plane in terms of the atomic radius R. [6 points 19 pointsl
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