Question: For each of the two-dimensional structures shown here (a) Draw the unit cell, (b) Determine the type of two-dimensional lattice (from Figure 12.4), and (c)

For each of the two-dimensional structures shown here
(a) Draw the unit cell,
(b) Determine the type of two-dimensional lattice (from Figure 12.4), and (c) determine how many of each type of circle (white or black) there are per unit cell?

(i) (ii)

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