Chem 1320 1st Edition Lecture 39Outline of Last Lecture I. Nonbonding forcesII. Phase DiagramsOutline of Current LectureI. NonbondingCurrent Lecture force Basis or attraction Energy ExampleIonic Cation- anion-ions attracting one another 400-4000 NaClMgOCovalent Nuclei-shared - Depends on the atoms involved in bonding which influence the degree of electron sharing 150-1100 H-HH2, H2OMetallic Cations are delocalized electrons- Positive ions in a sea of electrons75-1000 FeI. Nonbonding (intermolecular) Ion-dipole: ion charge- dipole chargeThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.H bond: polar bond to H- dipole charges ( will vary with dipole strength) Ionized-induced dipole: ion charge- polarizable electron cloudDipole-induced dipole: dipole charge- polarizable electron cloud (weaker with other interactions)Dispersion (London): polarizable electron clouds (weakest)- Always present forces with polar
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