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CHEM 2OA3 (23)
Chapter 2

Chapter 2 Molecular Representations.docx

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Department
Chemistry
Course
CHEM 2OA3
Professor
Harald Stover
Semester
Fall

Description
1Chapter 2 Molecular RepresentationsBernard HoSeptember 19 201121 Molecular RepresentationsMany different methods to represent the same structureLewis StructuresoAdvantage that all atoms and bonds are explicitly drawnoOnly practical for very small moleculesPartially Condensed StructuresoCH bonds are not drawn explicitlyoOnly practical for small moleculesCondensed StructuresoNo bonds are drawnoGroups of atoms are clustered together when possibleoOnly practical for small molecules with simple structuresMolecular FormulaoSimply shows number of each type of atom in compoundoNo structural information is providedNone of above methods are convenient for larger molecules22 BondLine StructuresHow to Read BondLine StructuresoDrawn in zigzag format where each corner or endpoint represents a carbon atomoDouble bonds are shown with two lines and triple bonds are shown with three lines
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