Molecular Shapes and Electron Arrangement
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Questions and Answers

What is the electron group arrangement for a molecule with a linear shape and an angle of 180 degrees?

  • Octahedral
  • Trigonal planar
  • Linear (correct)
  • Tetrahedral

    • What is the molecular shape associated with a trigonal planar electron group arrangement?

  • Tetrahedral
  • Linear
  • Bent or V-shaped
  • Trigonal planar (correct)

    • What molecular shape corresponds to a trigonal planar electron group arrangement with an angle less than 120 degrees?

  • Tetrahedral
  • Bent or V-shaped (correct)
  • Trigonal planar
  • Linear

    • What is the molecular shape of a tetrahedral electron group arrangement with a bond angle of 109.5 degrees?

    <p>Tetrahedral</p> Signup and view all the answers

    What molecular shape is associated with a tetrahedral electron group arrangement and a bond angle less than 109.5 degrees?

    <p>Bent or V-shaped</p> Signup and view all the answers

    What is the molecular shape of a trigonal pyramidal electron group arrangement?

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

    What is the molecular shape of a trigonal bipyramidal electron group arrangement?

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

    What molecular shape corresponds to a trigonal bipyramidal electron group arrangement with a bond angle less than 90 degrees?

    <p>T-shaped</p> Signup and view all the answers

    What is the molecular shape associated with an octahedral electron group arrangement and a bond angle of 90 degrees?

    <p>Octahedral</p> Signup and view all the answers

    What molecular shape corresponds to an octahedral electron group arrangement with a bond angle less than 90 degrees?

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

    What is the molecular shape associated with an octahedral electron group arrangement with a bond angle of 90 degrees?

    <p>Square planar</p> Signup and view all the answers

    Study Notes

    Electron Group Arrangements and Molecular Shapes

    • Linear Arrangement

      • Electron group arrangement: Linear
      • Molecular shape: Linear
      • Bond angle: 180 degrees

    • Trigonal Planar Arrangement

      • Electron group arrangement: Trigonal planar
      • Molecular shape: Trigonal planar
      • Bond angle: 120 degrees

    • Bent or V-shaped from Trigonal Planar

      • Electron group arrangement: Trigonal planar
      • Molecular shape: Bent or V-shaped
      • Bond angle: Less than 120 degrees

    • Tetrahedral Arrangement

      • Electron group arrangement: Tetrahedral
      • Molecular shape: Tetrahedral
      • Bond angle: 109.5 degrees

    • V-shaped or Bent from Tetrahedral

      • Electron group arrangement: Tetrahedral
      • Molecular shape: V-shaped or bent
      • Bond angle: Less than 109.5 degrees

    • Trigonal Pyramidal from Tetrahedral

      • Electron group arrangement: Tetrahedral
      • Molecular shape: Trigonal pyramidal
      • Bond angle: Less than 109.5 degrees

    • Trigonal Bipyramidal Arrangement

      • Electron group arrangement: Trigonal bipyramidal
      • Molecular shape: Trigonal bipyramidal
      • Bond angles: 120 degrees and 90 degrees

    • Seesaw Shape from Trigonal Bipyramidal

      • Electron group arrangement: Trigonal bipyramidal
      • Molecular shape: Seesaw
      • Features an asymmetrical arrangement.

    • T-shaped from Trigonal Bipyramidal

      • Electron group arrangement: Trigonal bipyramidal
      • Molecular shape: T-shaped
      • Bond angle: Less than 90 degrees

    • Linear Shape from Trigonal Bipyramidal

      • Electron group arrangement: Trigonal bipyramidal
      • Molecular shape: Linear
      • Bond angle: 180 degrees

    • Octahedral Arrangement

      • Electron group arrangement: Octahedral
      • Molecular shape: Octahedral
      • Bond angle: 90 degrees

    • Square Pyramidal from Octahedral

      • Electron group arrangement: Octahedral
      • Molecular shape: Square pyramidal
      • Bond angle: Less than 90 degrees

    • Square Planar from Octahedral

      • Electron group arrangement: Octahedral
      • Molecular shape: Square planar
      • Bond angle: 90 degrees

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    Description

    Explore the relationships between electron group arrangements and molecular shapes with this flashcard set. Learn to identify linear, trigonal planar, and bent structures along with their corresponding angles. This resource is essential for mastering molecular geometry concepts.

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