Covalent Bonds - SBQ1 Chem PDF

3.3.1Definecovalentbond bondsit isthe covalent of thatoccursbetweentwononmetalatomsbycanalsharingofoneormorePairsofelectrons electrostaticforce attraction thesebouts theatomstogetherindiscretemolecules hold Amoleculeisaneutra...

3.3.1Definecovalentbond bondsit isthe covalent of thatoccursbetweentwononmetalatomsbycanalsharingofoneormorePairsofelectrons electrostaticforce attraction thesebouts theatomstogetherindiscretemolecules hold Amoleculeisaneutralgroupofatomsheldtogetherbyoneom r orecovalentbonds Howcovalentbondsholdsnonmetalatoms tIectronss push other each their and parts positive do crotons the same thepositive But ofoneatomPacis part on the oftheotherlikemagnets hepatitis fis Igi away n egative 333Describetheconceptofsharingelectronsincovalentbonding TheoctetRule in molecules 8 11 11114 triple bondthree c ovalent ofelectronscou.es pairs bonding DrawingElectronPotstructure IIIII.IE if iii ii none msn.mn Expandedoctet maanasanm IE i III happenswhen atom an has thans more initsouter electrons thisispossiblefor shea period3or elementsin oftheperiodictablelikep sandabecause higher theyhaveextra theirαorbitals s pacein yes the share thanselectrons more cagantEgging ci patej iii Axs Sigmabondc iisasi.aecovalentbond b etweentwoatonsthatshareanelectronparinanareacenteresoetweenthetroat.ms share pibontcitsiisacouaientbondformetwhenparweoroitasoverlap.to e lectrons I Isp C 57 2pm Boutlengthishowfarapartthecentersofturatomsarewhentheyareconnect.es shorterbons stronserbonsctheatomsareheldtiatlytoseth.rs bonsmoreenersyaeeseat.oreatitccanesoonsaismatimener.gs stronger sowhen bousisshort.itsharsestobreakbecausetheatonsarepunetclosertosetherans.net noretiantis 3.3.6PredicttheshapeandPolarityofmoleculesbasedonthe andbondingPairs arrange ofatoms Electronegativityishowstronalyanatompullsonshar.seectronsinabond.Its increase acrossperiod anddecreasedownagroup Polarity neanoaemenmnemannnenesan msn.name.in EIE.EE IE ii i Polarcovalent non EE EE E is bondisabondinwnichtheelectronsarsharesem.ly iijt thecovalentbondisbetween when zatomswithcl.seelectronegativity theenaifferencewino.amostoansnoatonwinnavepowerovertne.tn iiiiii smeaams iectiiistmsterres Iiisi f iqE III e Electronegativity difference ΔEnEn En ten i.toftp.iiti o.n Determine.mingthevsEPRmokd.tweshape fordifferentmolecules atom PairRepulsion isamotdbasesonanarrangementofbont.isthatminimizes VSEPRvalenceshellElectrons the ofshares repulsions andunshared pairs electron thecentral around Linearalways amingsarousacentralatoncnomatterthetopeoft.us planar trigonal always around things isministratist acentralatom.enomatterthetopeofboutsbentiifthereislonee.ie.fi i e g ah 5 E tetrahedral.in aroundcentral things atom trigonalpyramidal bent 1 it was 11 anglestons Y H H Ii Gross NH H2o  PairsElectronDomain Hybridization Geometry Effeptive planar max tetrahedral bipyramidal trigonal 2sp3 23ps octahedral 1 oddnumberofvalenceelectrons haveanoddnumberofvalenceelectron somemoleculesmight andareunabletoformanoctetaroundeachatom Exroz hasitve than ve a I i It 2 sub andcoordinatecovalentbonds octets A stableconfigurationwithless atetssomecompoundsformsuboctetse eightelectronaroundthe than atoms Eis B H 6ve doesnotgigstheoctet bonds B coordinatecovalent itisacovalent whenan bondformed a of tobeshareswithan donates pair electrons atom twoelectronstobecomestable thatneeds atomorion Exltzot Ht H H H or He H  34 1 Defineintermolecularattraction 4 a Intermolecularforce ahomedioneareintermolecularattractionbetweenoppositelychargedregionsofpolarmolecules II piattraction B can they have dime several with i nterations other neuros m olecular averselectronegativeatomisalsoweaklyattractedtoaloneelectron pairofanother ÉssaEat I pht pt III onlywith H o n f thestrongest Hydrogen