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Past Exam for CHEM 1307 - Principles Of Chemistry I: Principles of Chemistry I Majors Only with Hanna at Texas Tech (TTU)

Exam Information

Material Type:Exam 3
Professor:Hanna
Class:CHEM 1307 - Principles Of Chemistry I: Principles of Chemistry I Majors Only
Subject:CHEMISTRY
University:Texas Tech University
Term:Fall 2009
Keywords:
  • No Molecules
  • Lewis Structure
  • Paramagnetic
  • Diamagnetic
  • Temperature
  • Bond Length
  • Bond Dissociation
  • Configuration
  • Total Pressure
  • Dissociation
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Sample Document Text

Chapter 8: 1. Give the number of valence electrons for the following atoms. a. C b. Cl c. Ne d. Mg 2. Draw a Lewis structure for each of the following molecules or ions. a. NF3 b. ClO3- c. HOBr d. XeF4 3. Determine the formal charge on each atom in the following molecules or ions. a. NO2+ b. NO2- c. NF3 d. HNO3 4. Draw a Lewis structure for each of the following molecules or ions. Determine the electron pair geometry and molecular geometry around the central atom of each. a. ClF2+ b. SnCl3- c. PO43- d. CS2 5. For each pair of atoms, indicate which is the more polar atom and use an arrow to show the direction of polarity. a. C-O b. P-Br c. S-O d. C-H e. Cl-Cl 6. Determine which of the following compounds are polar: H2O, CO2, CCl4, NH3, CHCl3, SF5Cl, XeF2, SF4 7. Give the bond order for each bond in the following molecules or ions. a. CN- b. H3CCN c. SO3 d. C2H2 8. In each pair of bonds, predict which is shorter. a. Si-...

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