2. Consider the zinc blend (ZnS) crystal structure shown below, 14 a) Show that the minimum cation-anion radius ratio is 0.225. sions of the HCP crystal structure, b) Develop a general equation to relate the unit cell edge length (a) to the radius of Zn²+ and S²- and calculate the theoretical density of the crystal structure in g/cm³. 3. An alternating con 250.000 Z The ionic radii of Zn²+ and S²- are 0.060 and 0.184 nm, respectively. 0 2n

2. Consider the zinc blend (ZnS) crystal structure shown below, 14 a) Show that the minimum cation-anion radius ratio is 0.225. sions of the HCP crystal structure, b) Develop a general equation to relate the unit cell edge length (a) to the radius of Zn²+ and S²- and calculate the theoretical density of the crystal structure in g/cm³. 3. An alternating con 250.000 Z The ionic radii of Zn²+ and S²- are 0.060 and 0.184 nm, respectively. 0 2n

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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