Test Bank - Chemistry: The Central Science, 14th Edition (Brown, 2015), Chapter 1-24 | All Chapters

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Brown


Chemistry:oiTheoiCentraloiScience,oi14eoi(Brown,oietoial.)oiC
hapteroi2o i Atoms,oiMolecules,oiandoiIons

2.1 Multiple-ChoiceoiQuestions

1) Aoimoleculeoiofoiwateroicontainsoihydrogenoiandoioxygenoiinoiaoi1:8oiratiooibyoimass.oiThisoiisoia
oistatementoiofoi .
A) theoilawoiofoimultipleoiproportions
B) theoilawoiofoiconstantoicomposition
C) theoilawoiofoiconservationoiofoimass
D) theoilawoiofoiconservationoiofoienergy
E) noneoiofoitheoiabo
veoiAnswer:o i B
Diff:oi2 Var:oi1 PageoiRef:oiSec.oi2.1
LO:o i 2.
1oiGO:o
i G2


2) WhichoioneoiofoitheoifollowingoiisoinotoioneoiofoitheoipostulatesoiofoiDalton'soiatomicoitheory?
A) Atomsoiareoicomposedoiofoiprotons,oineutrons,oiandoielectrons.
B) Alloiatomsoiofoiaoigivenoielementoiareoiidentical;oitheoiatomsoiofoidifferentoielementsoiareoidiff
erentoiandoihaveoidifferentoiproperties.
C) Atomsoiofoianoielementoiareoinotoichangedoiintooidifferentoitypesoiofoiatomsoibyoichemicaloir
eactions:oiatomsoiareoineitheroicreatedoinoroidestroyedoiinoichemicaloireactions.
D) Compoundsoiareoiformedoiwhenoiatomsoiofoimoreoithanoioneoielementoicombine;oiaoigivenoico
mpoundoialwaysoihasoitheoisameoirelativeoinumberoiandoikindoiofoiatoms.
E) Eachoielementoiisoicomposedoiofoiextremelyoismalloiparticlesoicalledoia
toms.oiAnswer:o i A
Diff:oi1 Var:oi1 PageoiRef:oiSec.oi2.1
LO:o i 2.
1oiGO:o
i G2


3) ConsideroitheoifollowingoiselectedoipostulatesoiofoiDalton'soiatomicoitheory:
(i) Eachoielementoiisoicomposedoiofoiextremelyoismalloiparticlesoicalledoiatoms.
(ii) Atomsoiareoiindivisible.
(iii) Atomsoiofoiaoigivenoielementoiareoiidentical.
(iv) Atomsoiofoidifferentoielementsoiareoidifferentoiandoihaveoidifferentoiproperties.

Whichoiofoitheoipostulatesoiis(are)oinooilongeroiconsideredoivalid?
A) (i)oiandoi(ii)
B) (ii)oionly
C) (ii)oiandoi(iii)
D) (iii)oionly
E) (iii)oiandoi(iv
)oiAnswer:o i C
Diff:oi2 Var:oi1 PageoiRef:oiSec.oi2.1
1
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,DOWNLOAD THE Test Bank for Chemistry The Central Science 14th Edition
Brown

LO:o i 2.
1oiGO:o
i G2




2
Copyright © 2018 Pearson Education, Inc.
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, DOWNLOAD THE Test Bank for Chemistry The Central Science 14th Edition
Brown


4) Whichoipairoiofoisubstancesoicouldoibeoiusedoitooiillustrateoitheoilawoiofoimultipleoiproportions?
A) SO2,oiH2SO4
B) CO,oiCO2
C) H2O,oiO2
D) CH4,oiC6H12O6
E) NaCl,oiKC
loiAnswer:o i
B
Diff:oi1 Var:oi1 PageoiRef:oiSec.oi2.1
LO:o i 2.
1oiGO:o
i G2


5) Whichoistatementoibelowoicorrectlyoidescribesoitheoiresponsesoiofoialpha,oibeta,oiandoigammaoir
adiationoitooianoielectricoifield?
A) Bothoibetaoiandoigammaoiareoideflectedoiinoitheoisameoidirection,oiwhileoialphaoishowsoinooirespon
se.
B) Bothoialphaoiandoigammaoiareoideflectedoiinoitheoisameoidirection,oiwhileoibetaoishowsoinooirespon
se.
C) Bothoialphaoiandoibetaoiareoideflectedoiinoitheoisameoidirection,oiwhileoigammaoishowsoinooirespon
se.
D) Alphaoiandoibetaoiareoideflectedoiinoioppositeoidirections,oiwhileoigammaoishowsoinooiresponse.
E) Onlyoialphaoiisoideflected,oiwhileoibetaoiandoigammaoishowoinooires
ponse.oiAnswer:o i D
Diff:oi2 Var:oi1 PageoiRef:oiSec.oi2.2
LO:o i 2.
2oiGO:o
i G2


6) Whichoioneoiofoitheoifollowingoiisoinotoitrueoiconcerningoicathodeoirays?
A) Theyoioriginateoifromoitheoinegativeoielectrode.
B) Theyoitraveloiinoistraightoilinesoiinoitheoiabsenceoiofoielectricoioroimagneticoifields.
C) Theyoiimpartoiaoinegativeoichargeoitooimetalsoiexposedoitooithem.
D) Theyoiareoimadeoiupoiofoielectrons.
E) Theoicharacteristicsoiofoicathodeoiraysoidependoionoitheoimaterialoifromoiwhichoitheyoiareoi
emitted.oiAnswer:o i E
Diff:oi2 Var:oi1 PageoiRef:oiSec.oi2.2
LO:o i 2.
2oiGO:o
i G2


7) Theoichargeoionoianoielectronoiwasoideterminedoiinoitheoi .
A) cathodeoirayoitube,oibyoiJ.oiJ.oiThomson
B) Rutherfordoigoldoifoiloiexperiment
C) Millikanoioiloidropoiexperiment
D) Daltonoiatomicoitheory
E) atomicoitheoryoiofoimatt
3
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