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1. • Valence shell electron-pair repulsion theory

     

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     • Valence shell electron-pair repulsion theory (VSEPR theory) enables us to predict the molecular geometry, including approximate bond angles around a central atom, of a molecule from an examination of the number of bonds and lone electron pairs in its Lewis structure.
     wisc.pb.unizin.org/chem103and104/chapter/predicting-molecular-shapes-vsepr-model-m9q1/

     M9Q1: Predicting Molecular Shapes: VSEPR Model

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   How do you predict the shape of a molecule?

   • 11.7: Predicting the Shapes of Molecules is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts. The approximate shape of a molecule can be predicted from the number of electron groups and the number of surrounding atoms.

   11.7: Predicting the Shapes of Molecules - Chemistry LibreTexts

   chem.libretexts.org/Courses/Anoka-Ramsey_Community_College/Introduction_to_Chemistry/11:_Chemical_Bonding/11.07:_Predicting_the_Shapes_of_Molecules

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   How do you know if a molecule has a shape?

   • Determine the shape of simple molecules. Molecules have shapes. There is an abundance of experimental evidence to that effect—from their physical properties to their chemical reactivity. Small molecules—molecules with a single central atom—have shapes that can be easily predicted.

   10.7: Predicting the Shapes of Molecules - Chemistry LibreTexts

   chem.libretexts.org/Courses/College_of_Marin/CHEM_114:_Introductory_Chemistry/10:_Chemical_Bonding/10.07:_Predicting_the_Shapes_of_Molecules

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   Do molecules have shapes?

   • Molecules have shapes. There is an abundance of experimental evidence to that effect—from their physical properties to their chemical reactivity. Small molecules—molecules with a single central atom—have shapes that can be easily predicted. The basic idea in molecular shapes is called valence shell electron pair repulsion (VSEPR).

   10.7: Predicting the Shapes of Molecules - Chemistry LibreTexts

   chem.libretexts.org/Courses/College_of_Marin/CHEM_114:_Introductory_Chemistry/10:_Chemical_Bonding/10.07:_Predicting_the_Shapes_of_Molecules

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   How do you describe molecular geometry?

   • Using this information, we can describe the molecular geometry, the arrangement of the bonded atoms in a molecule or polyatomic ion. This VESPR procedure is summarized as follows: Draw the Lewis electron structure of the molecule or polyatomic ion. Determine the electron group arrangement around the central atom that minimizes repulsions.

   10.2: VSEPR Theory - The Five Basic Shapes - Chemistry LibreTexts

   chem.libretexts.org/Bookshelves/General_Chemistry/Map:_A_Molecular_Approach_(Tro)/10:_Chemical_Bonding_II-_Valance_Bond_Theory_and_Molecular_Orbital_Theory/10.02:_VSEPR_Theory_-_The_Five_Basic_Shapes

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   What atoms can you predict with a molecular shape simulator?

   • Predict the electron-pair geometry and local structure of the nitrogen atom, the three carbon atoms, and the oxygen atom with hydrogen attached: The molecular shape simulator lets you build various molecules and practice naming their electron-pair geometries and molecular geometries.

   48 Predicting Molecular Shapes: VSEPR Model (M9Q1) - Unizin

   wisc.pb.unizin.org/minimisgenchem/chapter/predicting-molecular-shapes-vsepr-model-m9q1/

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   Does a molecule have a three dimensional shape?

   • This action is not available. Determine the shape of simple molecules. All molecules have a three-dimensional shape. There is an abundance of experimental evidence to that effect – from their physical properties to their chemical reactivity. Small molecules – molecules with a single central atom – have shapes that are easily predicted.

   11.7: Predicting the Shapes of Molecules - Chemistry LibreTexts

   chem.libretexts.org/Courses/Anoka-Ramsey_Community_College/Introduction_to_Chemistry/11:_Chemical_Bonding/11.07:_Predicting_the_Shapes_of_Molecules

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3. wisc.pb.unizin.org › minimisgenchem › chapter48 Predicting Molecular Shapes: VSEPR Model (M9Q1) - Unizin

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   Valence shell electron-pair repulsion theory (VSEPR theory) enables us to predict the molecular geometry, including approximate bond angles around a central atom, of a molecule from an examination of the number of bonds and lone electron pairs in its Lewis structure.

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4. chem.libretexts.org › Courses › College_of_Marin10.7: Predicting the Shapes of Molecules - Chemistry LibreTexts

   chem.libretexts.org › Courses › College_of_Marin

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   May 20, 2018 · Molecules have shapes. There is an abundance of experimental evidence to that effect—from their physical properties to their chemical reactivity. Small molecules—molecules with a single central atom—have shapes that can be easily predicted. The basic idea in molecular shapes is called valence shell electron pair repulsion (VSEPR).

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6. chem.libretexts.org › Bookshelves › General_Chemistry10.2: VSEPR Theory - The Five Basic Shapes - Chemistry LibreTexts

   chem.libretexts.org › Bookshelves › General_Chemistry

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   The VSEPR model can predict the structure of nearly any molecule or polyatomic ion in which the central atom is a nonmetal, as well as the structures of many molecules and polyatomic ions with a central metal atom.

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7. chem.libretexts.org › Courses › Anoka-Ramsey11.7: Predicting the Shapes of Molecules - Chemistry LibreTexts

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   Apr 13, 2023 · All molecules have a three-dimensional shape. There is an abundance of experimental evidence to that effect – from their physical properties to their chemical reactivity. Small molecules – molecules with a single central atom – have shapes that are easily predicted.

8. chemed.chem.purdue.edu › genchem › topicreviewValence-Shell Electron-Pair Repulsion Theory (VSEPR)

   chemed.chem.purdue.edu › genchem › topicreview

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   If we focus on the positions of the nuclei in ammonia, we predict that the NH 3 molecule should have a shape best described as trigonal pyramidal, with the nitrogen at the top of the pyramid. Water, on the other hand, should have a shape that can be described as bent , or angular .

9. rmit.pressbooks.pub › rmitchemistrybridgingcourse3.6 Predicting Molecular Shape – Ready for Uni: An RMIT ...

   rmit.pressbooks.pub › rmitchemistrybridgingcourse

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   Utilising VSEPR theory, predict the geometries of molecules through the presence of lone-pairs and electron-dense groups. Determine the polarity of a molecule, considering bond types and geometry. You may have noticed that when drawing or representing molecules, we sometimes draw them with unexpected geometry.

10. phet.colorado.edu › en › simulationMolecule Shapes - VSEPR | Lone Pairs | Bonds - PhET ...

    phet.colorado.edu › en › simulation

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    Explore molecule shapes by building molecules in 3D! How does molecule shape change with different numbers of bonds and electron pairs? Find out by adding single, double or triple bonds and lone pairs to the central atom. Then, compare the model to real molecules!