Prior to manufacturing, you realize that Er and Y could form a pass ovation later on the surface of the alloy upon oxidation with Oxygen, with the oxides Er2O3 and Y2O3. There is a concern that the layers might be too hard (brittle) for practical purposes. You remember ionic compounds are harder and more brittle than a covalent compound, and decide to quantify the percent ionic character of the bonding. Find the % ionic character of the interatomic bonds for Er2O3 and Y2O3. (Electronegativity for Er is 1.2)
Prior to manufacturing, you realize that Er and Y could form a pass ovation later on the surface of the alloy upon oxidation with Oxygen, with the oxides Er2O3 and Y2O3. There is a concern that the layers might be too hard (brittle) for practical purposes. You remember ionic compounds are harder and more brittle than a covalent compound, and decide to quantify the percent ionic character of the bonding. Find the % ionic character of the interatomic bonds for Er2O3 and Y2O3. (Electronegativity for Er is 1.2)
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter12: The Solid State
Section: Chapter Questions
Problem 17PS
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Prior to manufacturing, you realize that Er and Y could form a pass ovation later on the surface of the alloy upon oxidation with Oxygen, with the oxides Er2O3 and Y2O3. There is a concern that the layers might be too hard (brittle) for practical purposes. You remember ionic compounds are harder and more brittle than a covalent compound, and decide to quantify the percent ionic character of the bonding. Find the % ionic character of the interatomic bonds for Er2O3 and Y2O3.
(Electronegativity for Er is 1.2)
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