AP Chemistry
2.7 VSEPR and Hybridization
2.5 Lewis Diagrams
The table below summarizes structural information for the triiodide ion, \(\text{I}_3^-\), and iodine trifluoride, \(\text{IF}_3\).
Based on VSEPR theory and the electron domain geometry of each species, which of the following correctly identifies their molecular geometries and provides the correct justification for the arrangement of the electron domains?
| Species | Total valence electrons | Bonding pairs on central atom | Lone pairs on central atom |
|---|---|---|---|
| \(\text{I}_3^-\) | \(22\) | \(2\) | \(3\) |
| \(\text{IF}_3\) | \(28\) | \(3\) | \(2\) |
Based on VSEPR theory and the electron domain geometry of each species, which of the following correctly identifies their molecular geometries and provides the correct justification for the arrangement of the electron domains?
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