MoleculeShapes_StudentHandout (1) (2).pdf - Molecule Shapes...

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Molecule Shapes MODEL 1: Molecule Shapes Simulation ( ) PART I: ELECTRON DOMAINS 1. Explore the Model screen of the simulation. As you explore, answer the following questions. a. How does adding an atom affect the position of existing atoms or lone pairs? b. How does adding a lone pair affect the position of existing atoms and lone pairs? 2. Is the effect of adding bonded atoms and lone pairs to the central atom similar? Explain why this could be the case. 3. How do the electrons in bonds (bonding domains) differ from lone pairs (non-bonding domains)? 4. What happens to the bond angle when you add or remove an electron domain? 5. Can you force the atoms into new configurations by pushing atoms around? What does this suggest about the configuration of atoms in real molecules? 6. What is the difference between Electron Geometry and Molecule Geometry ? 7. In one or two grammatically correct sentences, write a definition for the term Molecule Geometry . MOLECULE SHAPES 1 We can think of a bond or a lone pair of electrons as a “domain” of electrons. Single bonds, double bonds, and triple bonds each count as one domain. the other atoms and lone pairs of electrons shift to allow the new atom to bond to the central atom It also causes the other bonds and other lone pairs to shift away from the spot the lone pair is placed Yes. This could be the case because they both have electrons which repel the electrons from the existing bonds. The bonding domains are bonded to the central atom though, the lone pairs are just stuck on as extra electrons when you add the bond angle decreases and when you remove an electron domain the
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