GLG321-08ProbSet2

GLG321-08ProbSet2 - GLG 321 2008 Problem Set #2 1 Problem...

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Unformatted text preview: GLG 321 2008 Problem Set #2 1 Problem Set 2 Name: ________________________ Crystal Chemistry and Structures This problem set is due on Thursday January 31. Please write complete sentences that demonstrate that you understand the concept. If you have questions, please feel free to ask for help from the instructor or the TAs. 1. In many minerals, the bonding can be considered as partly ionic and partly covalent. a) Do you expect TiO 2 (rutile) to be more or less ionic than PbS (galena)? Why? b) What is the percent of ionic character of a Ti-O bond? You will need to use equation 3.4 on p. 51 of your text. Please check to make sure that the equation is correct. It should be Percent ionic character = 1 " e " 0.25( x a " x b ) 2 ( ) 100 c) What is the percent ionic character of a Pb-S bond? 2. a) What is the difference between covalent bonding and metallic bonding? Hint: think about the bonding game....
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This note was uploaded on 04/03/2008 for the course GEO glg 321 taught by Professor Tom during the Spring '08 term at ASU.

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GLG321-08ProbSet2 - GLG 321 2008 Problem Set #2 1 Problem...

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