1. What type of bonding makes up ceramic materials? a. covalent bonds b. London dispersion forces c. metallic bonds d. ionic bonds 2. How many lattice structures exist? a. 2 b. 14 c. 7 3. How many Bravais lattice structures exist? a. 2 b. 14 c. 7 d. 5 4. Label the lattice and packing below. 5. A given lattice has a) A unique unit cell b) A unique primitive unit cell and a unique non-primitive unit cell c) A unique primitive unit cell but more than one non-primitive unit cells d) More than one primitive unit cells and more than one non-primitive unit cells 6. A crystal has a lattice with the following lattice parameters: a=b=c and ==y+90. "The crystal will definitely have cubic symmetry." True/False? a) True b) False