Multiple Choice
Which factor primarily determines the shape of a molecule according to the VSEPR theory?
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12. Molecular Shapes & Valence Bond Theory
Molecular Geometry
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Which of the following models provides a three-dimensional representation of a molecule?
A
Electron configuration diagram
B
Ball-and-stick model
C
Structural formula
D
Lewis dot structure
Verified step by step guidance1
Understand that molecular models are used to represent the structure of molecules in different ways, helping visualize atoms and bonds.
Recognize that an electron configuration diagram shows the distribution of electrons in atomic orbitals, which is not a 3D representation of the molecule itself.
Know that a Lewis dot structure represents valence electrons and bonding in a 2D format, focusing on electron pairs rather than spatial arrangement.
Identify that a structural formula shows how atoms are connected in a molecule, usually in 2D, without explicitly showing the three-dimensional shape.
Realize that the ball-and-stick model provides a three-dimensional representation by depicting atoms as spheres (balls) and bonds as sticks, showing the spatial arrangement of atoms in the molecule.
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