BY BROWN
Chemistry:oiTheoiCentraloiScience,oi14eoi(Brown,oietoial.)oiC
hapteroi2o i Atoms,oiMolecules,oiandoiIons
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2.1 Multiple-ChoiceoiQuestions
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1) Aoimoleculeoiofoiwateroicontainsoihydrogenoiandoioxygenoiinoiaoi1:8oiratiooibyoimass.oiThisoiisoia
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oistatementoiofoi
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A) theoilawoiofoimultipleoiproportions I!l
B) theoilawoiofoiconstantoicomposition I!l
C) theoilawoiofoiconservationoiofoimass I!l
D) theoilawoiofoiconservationoiofoienergy I!l
E) noneoiofoitheoiabo
veoiAnswer:o i B I!l I!l I!l
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2) WhichoioneoiofoitheoifollowingoiisoinotoioneoiofoitheoipostulatesoiofoiDalton'soiatomicoitheory?
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A) Atomsoiareoicomposedoiofoiprotons,oineutrons,oiandoielectrons.
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B) Alloiatomsoiofoiaoigivenoielementoiareoiidentical;oitheoiatomsoiofoidifferentoielementsoiareoidiff
erentoiandoihaveoidifferentoiproperties.
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C) Atomsoiofoianoielementoiareoinotoichangedoiintooidifferentoitypesoiofoiatomsoibyoichemicaloir
eactions:oiatomsoiareoineitheroicreatedoinoroidestroyedoiinoichemicaloireactions.
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D) Compoundsoiareoiformedoiwhenoiatomsoiofoimoreoithanoioneoielementoicombine;oiaoigivenoic
o mpoundoialwaysoihasoitheoisameoirelativeoinumberoiandoikindoiofoiatoms.
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Eachoielementoiisoicomposedoiofoiextremelyoismalloiparticlesoicalledoia toms.oiAnswer:o i A
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3) ConsideroitheoifollowingoiselectedoipostulatesoiofoiDalton'soiatomicoitheory:
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(i) Eachoielementoiisoicomposedoiofoiextremelyoismalloiparticlesoicalledoiatoms. I!l
(ii) Atomsoiareoiindivisible. I!l
(iii) Atomsoiofoiaoigivenoielementoiareoiidentical. I!l
(iv) Atomsoiofoidifferentoielementsoiareoidifferentoiandoihaveoidifferentoiproperties.
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Whichoiofoitheoipostulatesoiis(are)oinooilongeroiconsideredoivalid? I!l
A) (i)oiandoi(ii) I!l
B) (ii)oionly I!l
C) (ii)oiandoi(iii) I!l
D) (iii)oionly I!l
E) (iii)oiandoi(iv
)oiAnswer:o i C I!l I!l I!l
Diff:oi2 Var:oi1 PageoiRef:oiSec.oi2.1 I!l I!l I!l
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, TEST BANK FOR CHEMISTRY THE CENTRAL SCIENCE 14TH EDITION
BY BROWN
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, TEST BANK FOR CHEMISTRY THE CENTRAL SCIENCE 14TH EDITION
BY BROWN
4) Whichoipairoiofoisubstancesoicouldoibeoiusedoitooiillustrateoitheoilawoiofoimultipleoiproportions? A)
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SO2,oiH2SO4
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B) CO,oiCO2 I!l
C) H2O,oiO2 I!l
D) CH4,oiC6H12O6 E) NaCl,oiKC loiAnswer:o i I!l I!l I!l I!l
B I!l
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5) Whichoistatementoibelowoicorrectlyoidescribesoitheoiresponsesoiofoialpha,oibeta,oiandoigammaoir
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adiationoitooianoielectricoifield?
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A) Bothoibetaoiandoigammaoiareoideflectedoiinoitheoisameoidirection,oiwhileoialphaoishowsoinooirespo
n se. I!l I!l
B) Bothoialphaoiandoigammaoiareoideflectedoiinoitheoisameoidirection,oiwhileoibetaoishowsoinooirespo
n se. I!l I!l
C) Bothoialphaoiandoibetaoiareoideflectedoiinoitheoisameoidirection,oiwhileoigammaoishowsoinooirespo
n se. I!l I!l
D) Alphaoiandoibetaoiareoideflectedoiinoioppositeoidirections,oiwhileoigammaoishowsoinooiresponse.
E) Onlyoialphaoiisoideflected,oiwhileoibetaoiandoigammaoishowoinooires ponse.oiAnswer:o i D
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6) Whichoioneoiofoitheoifollowingoiisoinotoitrueoiconcerningoicathodeoirays? A)
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Theyoioriginateoifromoitheoinegativeoielectrode.
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B) Theyoitraveloiinoistraightoilinesoiinoitheoiabsenceoiofoielectricoioroimagneticoifields. I!l
C) Theyoiimpartoiaoinegativeoichargeoitooimetalsoiexposedoitooithem. I!l
D) Theyoiareoimadeoiupoiofoielectrons. I!l
E) Theoicharacteristicsoiofoicathodeoiraysoidependoionoitheoimaterialoifromoiwhichoitheyoiareoi
emitted.oiAnswer:o i EI!l I!l I!l I!l
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7) Theoichargeoionoianoielectronoiwasoideterminedoiinoitheoi
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A) cathodeoirayoitube,oibyoiJ.oiJ.oiThomson I!l
B) Rutherfordoigoldoifoiloiexperiment I!l
C) Millikanoioiloidropoiexperiment I!l
D) Daltonoiatomicoitheory I!l
E) atomicoitheoryoiofoimatt
eroiAnswer:o i C Diff:oi1 Var:oi1 I!l I!l I!l I!l I!l
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3
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