10. Universal Testing Machine can be used to conduct both tensile and compressive testing. a) True b) False 11. Detemine the crystal structure for the following: (a) a metal with ao = 4.9489 A, r = 1.75 A and one atom per lattice point; and (b) a metal with ao = 0.42906 nm, r = 0.1858 nm and one atom per lattice point. 12. Calculate the radius of a vanadium atom, given that V has a BCC crystal structure, a density of 5.96 g/cm?, and an atomic weight of 50.9 g/mol. 13. A hypothetical metal has the simple cubic crystal structure shown in Figure 1 below. If its atomic weight is 70.4 g/mol and the atomic radius is 0.126 nm, compute its density. 1 Hard-sphere unit cell representation of the simple cubic crystal structure. 14. Calculate the force of attraction between a K' and an O² ion the centers of which are separated by a distance of 1.5 nm. 15. Zirconium has an HCP crystal structure and a density of 6.51 g/cm³. (a) What is the volume of its unit cell in cubic meters? (b) If the c/a ratio is 1.593, compute the values of c and a . 16. Rhodium has an atomic radius of 0.1345 nm (1.345 A) and a density of 12.41 g/cm³. Determine whether it has an FCC or BCC crystal structure.

10. Universal Testing Machine can be used to conduct both tensile and compressive testing. a) True b) False 11. Detemine the crystal structure for the following: (a) a metal with ao = 4.9489 A, r = 1.75 A and one atom per lattice point; and (b) a metal with ao = 0.42906 nm, r = 0.1858 nm and one atom per lattice point. 12. Calculate the radius of a vanadium atom, given that V has a BCC crystal structure, a density of 5.96 g/cm?, and an atomic weight of 50.9 g/mol. 13. A hypothetical metal has the simple cubic crystal structure shown in Figure 1 below. If its atomic weight is 70.4 g/mol and the atomic radius is 0.126 nm, compute its density. 1 Hard-sphere unit cell representation of the simple cubic crystal structure. 14. Calculate the force of attraction between a K' and an O² ion the centers of which are separated by a distance of 1.5 nm. 15. Zirconium has an HCP crystal structure and a density of 6.51 g/cm³. (a) What is the volume of its unit cell in cubic meters? (b) If the c/a ratio is 1.593, compute the values of c and a . 16. Rhodium has an atomic radius of 0.1345 nm (1.345 A) and a density of 12.41 g/cm³. Determine whether it has an FCC or BCC crystal structure.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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