CHMA11H3 Lecture Notes - Lecture 1: Trigonal Planar Molecular Geometry, Trigonal Pyramidal Molecular Geometry, Molecular Geometry

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CHMA11 Lecture 1: Essential Information from CHMA10
- Review of electron and molecular geometry
o 2 Electrons
Lone pairs
Will always have 0 lone pairs
Electron geometry: Linear
Molecular geometry: Linear
o 3 Electrons
Lone pairs: either will have 0 or 1 lone pair
0 lone pairs
o Electron geometry: trigonal planar
o Molecular geometry: trigonal planar
1 lone pair
o Electron geometry: trigonal planar
o Molecular geometry: bent
o 4 Electrons
Lone pairs: either will have 0, 1, or 2 lone pairs
0 lone pairs
o Electron geometry: tetrahedral
o Molecular geometry: tetrahedral
1 lone pair
o Electron geometry: tetrahedral
o Molecular geometry: trigonal pyramidal
2 lone pairs
o Electron geometry: tetrahedral
o Molecular geometry: bent
o 5 electrons
Lone pairs: either will have 0, 1, 2, or 3 lone pairs
0 lone pairs
o Electron geometry: Trigonal bipyramidal
o Molecular geometry: Trigonal bipyramidal
1 lone pair
o Electron geometry: Trigonal bipyramidal
o Molecular geometry: See saw
2 lone pairs
o Electron geometry: Trigonal bipyramidal
o Molecular geometry: T shaped
3 lone pairs
o Electron geometry: Trigonal bipyramidal
o Molecular geometry: Linear
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