University of South Carolina-Columbia
CHEM 333 Electron Pair Geometries +
Molecular Geometry + Hybridization
Questions and Answers 2026 Latest Update
Linear Ans: 2 pairs
No lone pairs = Linear
ONE lone pair = Linear
Trigonal Planar Ans: 3 Electron Pairs
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0 lone pairs = Trigonal Plane
1 lone pairs = Angular
Tetrahedron Ans: 4 Electron Pairs
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0 lone pairs = Tetrahedron
1 lone pairs = Trigonal Pyramid
2 lone pairs = Angular
Trigonal Bipyramidal Ans: 5 Electron Pairs
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0 lone pairs = Trigonal Bipyramid
1 lone pairs = Seesaw
2 lone pairs = T shape
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