bonding and isomerism

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Bonding and Isomerism Review and Introduction to Organic Chemistry 1

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Bonding and Isomerism. Review and Introduction to Organic Chemistry. Where are electrons?. Atomic structure Atomic number Atomic weight Energy levels Electron configurations Energy Levels Sublevels Orbitals Lewis structures (electron dot structures). Ionic Compounds. Ionic bonds - PowerPoint PPT Presentation

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Bonding and IsomerismReview and Introduction to Organic Chemistry1Where are electrons?Atomic structureAtomic numberAtomic weightEnergy levelsElectron configurationsEnergy LevelsSublevelsOrbitalsLewis structures (electron dot structures)2Ionic CompoundsIonic bondsCationAnionElectropositiveElectronegative3Covalent BondingSharingMoleculesBond energy

Bond lengthH2 is 0.74

4Glorious Carbon and the Covalent BondLewis structureFour bonds5Carbon-carbon Single Bonds6Carbon-carbon Single BondsEqual sharingBE = 368 kJBL = 1.54

Radicalmolecular fragment w/odd number of unshared electrons7CatenationAbility of element to form chains due to bonding between like atomsDraw structure of propane, C3H88

Electronegativity Values9C-H BondEN difference is 0.4 (some sources say Hs EN is 2.2)Considered nonpolar10Polar Covalent BondsUnequal sharingDifferences in EN >1.0 and