General Chemistry: Molecular Geometry and Bonding Theories Quiz
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Questions and Answers

What is the bond angle in a linear AB2 molecule?

  • 120°
  • 90°
  • 109.5°
  • 180° (correct)

    • Which molecular shape is exhibited by an AB4 molecule?

  • Tetrahedral
  • Square planar (correct)
  • Trigonal bipyramid
  • Octahedral

    • What is the bond angle in a trigonal pyramidal AB3 molecule?

  • 90°
  • 180°
  • 120°
  • 109.5° (correct)

    • What does the VSEPR model help to predict?

    <p>Molecular geometry shapes</p> Signup and view all the answers

    What is the molecular shape of an AB5 molecule?

    <p>Trigonal bipyramid</p> Signup and view all the answers

    In the context of molecular shapes, what does the term 'ABn' represent?

    <p>Molecular bonding number</p> Signup and view all the answers

    What is the fundamental concept behind the VSEPR model?

    <p>Electron domains are negatively charged and repel one another</p> Signup and view all the answers

    What is the definition of electron-domain geometry?

    <p>The arrangement of electron domains about the central atom of a molecule or ion</p> Signup and view all the answers

    What is the molecular geometry of a molecule with 4 electron domains, consisting of 3 bonding and 1 non-bonding?

    <p>Trigonal pyramidal</p> Signup and view all the answers

    In molecular geometry, what does the term 'bent' refer to?

    <p>A molecule with a non-linear shape</p> Signup and view all the answers

    What is the bond order for the H2 molecule?

    <p>$\frac{1}{2}$</p> Signup and view all the answers

    What is the bond order for the He2 molecule?

    <p>$0$</p> Signup and view all the answers

    Which book is listed as an essential learning resource?

    <p>Chemistry: The Central Science by Theodore Brown, et al.</p> Signup and view all the answers

    Who is NOT listed as an author of the book "Introduction to Chemistry"?

    <p>Kenneth Goldsby</p> Signup and view all the answers

    What does VSEPR stand for?

    <p>Valence Shell Electron Pair Repulsion</p> Signup and view all the answers

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