CHEMISTRY 101 EXAM 2 QUESTIONS
WITH CORRECT ANSWERS
LewisBstructureB-BCORRECTBANSWERB-
aBdiagramBofBaBmoleculeBshowingBhowBtheBvalenceBelectronsBareBarrangedBamongBtheBatomsBinBt
heBmoleculeBinBaBcovalentBcompoundB&BpolyatomicBions
resonanceBstructureB-BCORRECTBANSWERB-
comboBofBallBLewisBstructuresBw/BtheBweightB=BtoBtheBrelativeBenergy
VSPERB(valenceBshellBelectronBpairBrepulsionBtheory)B-BCORRECTBANSWERB-
determinesBtheB3DBstructuresBofBaBmolecule;BbasedBonBfactBthatBelectronsBrepelBeachBother
diatomicBelementsB-BCORRECTBANSWERB-HydrogenB(H2)
NitrogenB(N2)
OxygenB(O2)
FluorineB(F2)
ChlorineB(Cl2)
IodineB(I2)
BromineB(Br2)
IonicBcompoundsBform...B-BCORRECTBANSWERB-extendedBstructuresBheldBtogetherBbyBnon-
directionBionicBbonds
CovalentBbondsBform...B-BCORRECTBANSWERB-discreteBmoleculesBheldBtogetherBbyBcovalentBbonds
—B-BCORRECTBANSWERB-outerBatomBonBsameBplaneBasBcentralBatom
, -B-B-B-BCORRECTBANSWERB-outerBatomBbehindBcentralBatom
- CORRECTBANSWERB-outerBatomBinBfrontBofBcentralBatom
B B
polarBmoleculeB-BCORRECTBANSWERB-
mustBhaveBchemicalBbondsBw/BdifferenceBinBENBgreaterBorBequalBtoB0.5
mustBbeBasymmetricB(inBsymmetricalBcompoundsBallBpolarBbondsBcancel)
soluableBcompoundB-BCORRECTBANSWERB-
atBleastB0.02BmolesBofBcompoundBcanBdissolveBinB1BliterBofBwater
insoluableBcompoundB-BCORRECTBANSWERB-
lessBthanB0.02BmilesBofBcompoundBcanBdissolveBinB1BliterBofBwater
saltB-BCORRECTBANSWERB-ionicBcompound
precipitationBreactionB-BCORRECTBANSWERB-
reactionBdrivenBforwardBbyBtheBformationBofBaBsolidBprecipitate
FUEB(FormulaBUnitBEquation)B-BCORRECTBANSWERB-
showsBallBtheBchemicalBcompoundsBinBaBreaction
NIEB(NetBIonicBEquation)B-BCORRECTBANSWERB-
showsBonlyBtheBchemicalBspeciesBinvolvedBinBtheBchemistry
ReductionB-BCORRECTBANSWERB-gainBofBelectrons
WITH CORRECT ANSWERS
LewisBstructureB-BCORRECTBANSWERB-
aBdiagramBofBaBmoleculeBshowingBhowBtheBvalenceBelectronsBareBarrangedBamongBtheBatomsBinBt
heBmoleculeBinBaBcovalentBcompoundB&BpolyatomicBions
resonanceBstructureB-BCORRECTBANSWERB-
comboBofBallBLewisBstructuresBw/BtheBweightB=BtoBtheBrelativeBenergy
VSPERB(valenceBshellBelectronBpairBrepulsionBtheory)B-BCORRECTBANSWERB-
determinesBtheB3DBstructuresBofBaBmolecule;BbasedBonBfactBthatBelectronsBrepelBeachBother
diatomicBelementsB-BCORRECTBANSWERB-HydrogenB(H2)
NitrogenB(N2)
OxygenB(O2)
FluorineB(F2)
ChlorineB(Cl2)
IodineB(I2)
BromineB(Br2)
IonicBcompoundsBform...B-BCORRECTBANSWERB-extendedBstructuresBheldBtogetherBbyBnon-
directionBionicBbonds
CovalentBbondsBform...B-BCORRECTBANSWERB-discreteBmoleculesBheldBtogetherBbyBcovalentBbonds
—B-BCORRECTBANSWERB-outerBatomBonBsameBplaneBasBcentralBatom
, -B-B-B-BCORRECTBANSWERB-outerBatomBbehindBcentralBatom
- CORRECTBANSWERB-outerBatomBinBfrontBofBcentralBatom
B B
polarBmoleculeB-BCORRECTBANSWERB-
mustBhaveBchemicalBbondsBw/BdifferenceBinBENBgreaterBorBequalBtoB0.5
mustBbeBasymmetricB(inBsymmetricalBcompoundsBallBpolarBbondsBcancel)
soluableBcompoundB-BCORRECTBANSWERB-
atBleastB0.02BmolesBofBcompoundBcanBdissolveBinB1BliterBofBwater
insoluableBcompoundB-BCORRECTBANSWERB-
lessBthanB0.02BmilesBofBcompoundBcanBdissolveBinB1BliterBofBwater
saltB-BCORRECTBANSWERB-ionicBcompound
precipitationBreactionB-BCORRECTBANSWERB-
reactionBdrivenBforwardBbyBtheBformationBofBaBsolidBprecipitate
FUEB(FormulaBUnitBEquation)B-BCORRECTBANSWERB-
showsBallBtheBchemicalBcompoundsBinBaBreaction
NIEB(NetBIonicBEquation)B-BCORRECTBANSWERB-
showsBonlyBtheBchemicalBspeciesBinvolvedBinBtheBchemistry
ReductionB-BCORRECTBANSWERB-gainBofBelectrons