A. List the three (3) primary classifications of solid materials, and then cite the distinctive properties for each one. (3 points) B. Cite four (4) criteria that are important in the materials selection process. (4 points) C. Explain the steps for materials selection. Give an example from the industry. (3 points) D. Give the electron configurations for the following ions: Br,Al3+, Fe2+, and Ba2+.(4 points) E. Compute \%IC of the interatomic bond for each of the following compounds: MgO,GaP,CdS, and FeO. (use Figure 2.9 from Callister) (4 points) F. Explain why covalently bonded materials are generally less dense than ionically or metallically bonded ones. (2 points)