Valence Shell Electron Pair Repulsion Vsepr Electron Domain Molecules Have Many Different Shapes Describing The Over 1 (64.73 KiB) Viewed 49 times
Valence Shell Electron Pair Repulsion Vsepr Electron Domain Molecules Have Many Different Shapes Describing The Over 2 (73.36 KiB) Viewed 49 times
Valence Shell Electron Pair Repulsion Vsepr Electron Domain Molecules Have Many Different Shapes Describing The Over 3 (61.48 KiB) Viewed 49 times
Valence Shell Electron Pair Repulsion Vsepr Electron Domain Molecules Have Many Different Shapes Describing The Over 4 (82.61 KiB) Viewed 49 times
Valence Shell Electron Pair Repulsion (VSEPR): Electron Domain Molecules have many different shapes. Describing the overall shape of a large, complex molecule is challenging. However, it is possible to describe the geometry around individual atoms within a molecule. What determines the orientation of the atoms around the central atom? These geometries are controlled by the electrons around the atoms and their energies. Pairs of electrons, whether bonding or nonbonding, arrange themselves so that they are as far apart from each other as possible. This phenomenon is called: Valence Shell Electron Pair Repulsion - VSEPR. VSEPR Theory: . Groups of valence electrons around an atom are called electron domains (ED). Electron domains, because they are negatively charged, repel one another. This repulsion causes the electron domains to be separated from one another in a way that minimizes and balances the repulsive forces. Each of the following is counted as a single electron domain: • lone pair of electrons • single bond . double bond • triple bond . The electron domain geometry (EDG) is a description of how the electron domains are arranged around the central atom. Example: Consider the sulfur dioxide molecule (SO2), and its Lewis structure shown below: :0-S=0: SO₂ has 3 Electron domains (3 EDs): one lone pair of electrons, one single bond, and one double bond. Each electron domain is highlighted in the image below: eo: SE S
1 1 point Which of the following statements best describes the way peripheral atoms orient themselves around a central atom? Peripheral atoms orient themselves as far away as possible from each other due to the repulsive forces of the regions of electron density. Peripheral atoms orient themselves as close as possible to each other due to the attractive forces of the regions of electron density. None of the above. 2 1 point Which of the following describes a single electron domain? 4 Select all that apply: triple bond double bond an atom single bond lone pair of electrons
1, 3 1 point What is the number of electron domains (ED) around the central atom in the $ following examples? -Ö. LÖ. F CO₂ 0-0-0 0, KrF₂ :ċİ: :ci ** :CI: CI *o* :CI: :Ö- H-C-a: -CI=O : CI: CIO, CHICI, Drag the appropriate formula to the correct category. 0=c= PCI, BCI, HIC=N: :F: ر | F: HCN IFS H—S—H H₂S 2
Drag the appropriate formula to the correct category. 2 ED 3 ED No Answers Chosen No Answers Chosen No Answers Chosen ⠀CO: 4 ED 6 ED Possible answers CIO: CHCL :::: H.S 13 5 ED BCL HCN No Answers Chosen No Answers Chosen 0: KrF: ⠀⠀ PCL IF: 2
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