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CHE128A Quiz 1 W07 Key Patten

CHE128A Quiz 1 W07 Key Patten - Name Student ID Chemistry...

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Unformatted text preview: Name: Student ID #: Chemistry 128A — Winter Quarter 2007 MWF 12:10 am. — 1:00 pm. Dr. Timothy E. Patten Quiz #1 (30 Points), October 10, 2008 f U Score: \‘ ' l 1. (4 Points) Write the ground-state electron configuration for fluorine (atomic number = 9). :51 2% 2f 2. Write Lewis structures for the following compound. Show formal charges if appropriate. If resonance structures are possible, then draw them as well. (A) (5 Points) Hydrogen peroxide, H202 \ n , O - o.“ . \ \ \ H (B) (5 Points) Bicarbonate ion, HC03‘ .. 6 u ‘ \ “ O ‘l ‘ O 7 l x r H 1‘9 c \ \ / I r G) ‘\ /C\Q/ “‘07 (J : Li, I. .i t 3. (5 Points) What is the geometry of the carbon atom in question 2B? Student ID #: Name: l 4. (5 Points) What should the H-O-O bond angle approximately be for the molecule; in question 2A? 1' , l m IOClSU (Am/Mm A Lime LE? LOVE MA AFfldLj/ON’) 0 U E N 5. (6 Points) Are the following molecules polar or nonpolar? Circle one answer. H Cl \ / C :: C / \ H CI ’/-r~~.. @ Nonpolar CI H \ / C :: C / \ H Cl Polar Nonpolar ...
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