Molecular Structure (Ps 27)

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Molecular Structure (Ps 27)

Chapter 7


Questions and Answers
  • 1. 
    An  molecule will be which of the following shapes?
    • A. 

      Tetrahedral

    • B. 

      Trigonal bipyramidal

    • C. 

      Square pyramidal

    • D. 

      Trigonal planar

    • E. 

      Square planar

  • 2. 
    Resonance structures are needed to describe the bonding in which of the following molecules?
    • A. 

      H2O

    • B. 

      ClF3

    • C. 

      HNO3

    • D. 

      CH4

    • E. 

      NH3

  • 3. 
    Which of the following has more than one unshared pair of valence electrons on the central atom?
    • A. 

      BrF5

    • B. 

      NF3

    • C. 

      IF7

    • D. 

      ClF3

    • E. 

      CF4

  • 4. 
    The species in the followin set do no include which of the following geometries? SiCl4, BrF4-, C2H2, TeF6, NO3-
    • A. 

      Square planar

    • B. 

      Tetrahedral

    • C. 

      Octahedral

    • D. 

      Trigonal pyramidal

    • E. 

      Linear

  • 5. 
    Regular tetrahedral molecules or ions include which of the following? I. CH4 II. SF4 III. NH4+
    • A. 

      I, II, and III

    • B. 

      I and III only

    • C. 

      I only

    • D. 

      I and II only

    • E. 

      II only