1. The hexagonal unit cell of zinc shown below is 4.94 A in height and 2.65 A along the edge of the base. (a) How m...
1. The hexagonal unit cell of zinc shown below is 4.94 A in height and 2.65 A along the edge of the base. (a) How many atoms are there per unit cell? (b) What is the volume of the unit cell? (c) Calculate the density of zinc. The Regular Hexagon Number of sides n- 6 Internal angles beta-2t/3 radians 120 degrees Central angles alpha-/3 radians- 60 degrees Perimeter P 6a 6R Area K 3a2 sqrt(3)/2 -3R2 sqrt(3)/2 -2r sqrt(3) -3a sqrt(4R?-a2)/2 Circumradius R- a Apothem r a sqrt(3)/2-R sqrt(3)/2 Side a-2r/sqrt(3)-R