Worksheet 8A: VSEPR
- Page ID
- 36951
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Identify:
- the electronic geometries (i.e., takign into account the electrons)
- molecular geometries (only the nuclei)
- relevant bonding angles
- Valence Bond hybridization
Fill in the following tables (follows octet rules):
| # of electron groups | VB hybridization | number of atoms bonded to central atom | electronic geometry name | molecular geometry name | bond angles | 3-D sketch | an example molecule or ion |
| any | any | 1 | linear | linear | 180° | \(\ce{O-O}\) | \(H_2\), \(CO\), \(HF\), \(N_2\), \(CN^{-1}\) |
| \(CO_2\) | |||||||
| 3 | 120° | ||||||
| 3 | \(sp^3\) | bent or angular | |||||
| 4 | 109.5° | ||||||
| trigonal pyramidal | |||||||
| \(H_2O\) |
Fill in the following tables (may have expanded octets):
| # of electron groups | VB hybridization | number of atoms bonded to central atom | electronic geometry name | molecular geometry name | bond angles | 3-D sketch | an example molecule or ion |
| 5 | trigonal bipyramidal | ||||||
| see-saw | |||||||
| 3 | 180° and 90° | ||||||
| 5 | \(sp^3d\) | 2 | |||||
| 6 | octahedral | ||||||
| \(BrF_5\) | |||||||
| 6 | \(sp^3d^2\) | square planar |