Material science

1) A) Determine the percent ionic character in a KBr bond. B) Determine the oxidation state of K in KBr. C) Determine the oxidation state of Br in KBr. 2) Find the appropriate radii for A)K in KBr and B ) Br in KBr. 3) Determine the coordination number of A) K in KBr and B) Br in KBr. 4) Determine the most likely cubic crystal structure for KBr, and sketch it. 5) Calculate the lattice parameter, a. 6) Determine the number of K and Br ions in the KBr unit cell. 7) Determine KBr's bulk density. 8) Sketch the (200) plane of KBr. 9) Calculate the planar density of the (200) plane of KBr, expressed as a decimal