5. a) Draw a HCP unit cell and label (0001), (1100), and (2110) planes, and also specify what kind of planes they are (i.e. basal, prism or pyramidal). Also mark the directions [112 0] and [0001].       b) Cobalt has close to ideal c/a ratio (1.623) and has a density of 8.86 g/cm3 and atomic mass of 58.93 amu. Calculate its lattice constants (c and a). 6. Write the Pearson symbols of the following elements: Cu3Au (L12), Diamond, β-Zr, y-Fe and Mo

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5. a) Draw a HCP unit cell and label (0001), (1100), and (2110) planes, and also specify
what kind of planes they are (i.e. basal, prism or pyramidal). Also mark the directions [112
0] and [0001].
 
 
 
b) Cobalt has close to ideal c/a ratio (1.623) and has a density of 8.86 g/cm3 and atomic
mass of 58.93 amu. Calculate its lattice constants (c and a).

6. Write the Pearson symbols of the following elements: Cu3Au (L12), Diamond, β-Zr, y-Fe
and Mo (1 x 5 = 5)
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