Question

(PLEASE CAN YOU ANSWER THIS FULLY)

7.9. Classify each of the following solids as ionic, network, metallic, or molecular. (a) Iron pyrite (FeS2; fool’s gold): (b) Octane (a component of gasoline): (c) Cubic boron nitride (BN; similar to diamond, but with boron and tungsten atoms): (d) Calcium sulfate (CaSO4; gypsum): (e) Chromium plating on a motorcycle:

7.10. (a) Find the structure of the unit cell for (a), (c), and (e) in Problem 7.9. You can use the internet, and then paste your answer into your problem set. Identify the atoms and the symmetry of the cubic unit cell (simple, body-centered or face-centered)

Answer 1