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Chapter

9.1-9.5 Summary.docx

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Department
Chemistry
Course
CHEM101
Professor
Yoram Apelblat
Semester
Fall

Description
9195SummaryTypesofBondingMetalNonmetalionicbondoElectrontransferfrommetaltononmetaloBetweenatomswithlargedifferencesintendenciestoloseelectronsoOccursbetweenreactivemetalsandnonmetalsoResultsinsolidmoleculeduetoarrangementasaresultofelectrostaticattractionoGivesempiricalformulaNonmetalnonmetalcovalentbondoElectronssharedoLittledifferentiationbetweentendenciestoloseandgainelectronsoNucleusoftheatomsattractvalenceelectronsoftheotheroGivesmolecularformulaMetalmetalmetallicbondoElectronpoolingoLoseouterelectronsanddonotgainanyinreturnoElectronsofalltheatomssurroundthemetalsandarenotlocalizedLewisSymbolsandtheOctetRuleElementsymbolrepresentsnucleusanddotsrepresentvalenceelectronsDotpatternsarethesamewithinagroupGroupnumberindicatesdotnumberTodrawoPlaceonedotpersideoPairdotsuntilallsidesarefilled2dotspersideMetaldiagramsdotsrepresentnumberofelectronslostNonmetaldiagramsunpaireddotsrepresentnumberofelectronsgainedwhenbondingwithmetalsorthenumbersharedwhenbondingwithnonmetalsOctetrulewhenatomsbondtheylosegainorshareelectronstoattainafilledouterlevelofeightelectronsIonicBondingModelIonicbondingelectrontransferresultinginsolidcompoundstructuresMostionicbondsresultinfilledouterenergylevelElectronslostbymetalelectronsgainedbynonmetalsobothachieveidealnoblegasconfigurationLatticeEnergyintheFormationofIonicCompoundsEnergyabsorbedduringelectrontransferoLiforexamplesshowsthatelectrontransferitselfrequiresenergyIE1EA192kJ1oEnergyneededpriortoionformationaswell
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