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Molecular Geometry

APCHEM-V5HPTV

Consider the diagram below, showing a molecule in which a central atom, indicated by the vertex, is connected to three bonding pairs and one lone pair.

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Which of the following BEST describes both the orbital geometry (the arrangement of orbitals about the central atom) and the molecular geometry (the actual arrangement in space of the atoms themselves) of this molecule?

A

Orbital geometry: tetrahedral

Molecular geometry: tetrahedral

B

Orbital geometry: tetrahedral

Molecular geometry: trigonal planar

C

Orbital geometry: trigonal pyramidal

Molecular geometry: trigonal planar

D

Orbital geometry: tetrahedral

Molecular geometry: trigonal pyramidal