Chemistry The Central Science 14th Edition Brown Test Bank 2.

,DOWNLOAD THE Test Bank for Chemistry The Central Science 14th Edition Brown
b b b b b b b b b b b




Chemistry:bThebCentralbScience,b14eb(Brown,betbal.)bChapte
rb2b Atoms,bMolecules,bandbIons

2.1 Multiple-ChoicebQuestions

1) Abmoleculebofbwaterbcontainsbhydrogenbandboxygenbinbab1:8bratiobbybmass.bThisbisbabstatementbo
fb .
A) theblawbofbmultiplebproportions
B) theblawbofbconstantbcomposition
C) theblawbofbconservationbofbmass
D) theblawbofbconservationbofbenergy
E) nonebofbthebaboveb
Answer:b B
Diff:b2 Var:b1 PagebRef:bSec.b2.1
LO:b 2.1b
GO:b G2

2) WhichbonebofbthebfollowingbisbnotbonebofbthebpostulatesbofbDalton'sbatomicbtheory?
A) Atomsbarebcomposedbofbprotons,bneutrons,bandbelectrons.
B) Allbatomsbofbabgivenbelementbarebidentical;bthebatomsbofbdifferentbelementsbarebdifferentbandbh
avebdifferentbproperties.
C) Atomsbofbanbelementbarebnotbchangedbintobdifferentbtypesbofbatomsbbybchemicalbreactions:ba
tomsbarebneitherbcreatedbnorbdestroyedbinbchemicalbreactions.
D) Compoundsbarebformedbwhenbatomsbofbmorebthanbonebelementbcombine;babgivenbcompoundba
lwaysbhasbthebsamebrelativebnumberbandbkindbofbatoms.
E) Eachbelementbisbcomposedbofbextremelybsmallbparticlesbcalledbatoms.b
Answer:b A
Diff:b1 Var:b1 PagebRef:bSec.b2.1
LO:b 2.1b
GO:b G2

3) ConsiderbthebfollowingbselectedbpostulatesbofbDalton'sbatomicbtheory:
(i) Eachbelementbisbcomposedbofbextremelybsmallbparticlesbcalledbatoms.
(ii) Atomsbarebindivisible.
(iii) Atomsbofbabgivenbelementbarebidentical.
(iv) Atomsbofbdifferentbelementsbarebdifferentbandbhavebdifferentbproperties.

Whichbofbthebpostulatesbis(are)bnoblongerbconsideredbvalid?
A) (i)bandb(ii)
B) (ii)bonly
C) (ii)bandb(iii)
D) (iii)bonly
E) (iii)bandb(iv)b
Answer:b C
Diff:b2 Var:b1 PagebRef:bSec.b2.1
LO:b 2.1b
GO:b G2
1
Copyrightb©b2018bPearsonbEducation,bInc.
mynursytest.store

,DOWNLOAD THE Test Bank for Chemistry The Central Science 14th Edition Brown
b b b b b b b b b b b




4) Whichbpairbofbsubstancesbcouldbbebusedbtobillustratebtheblawbofbmultiplebproportions?
A) SO2,bH2SO4
B) CO,bCO2
C) H2O,bO2
D) CH4,bC6H12O6
E) NaCl,bKCl
bAnswer:b B

Diff:b1 Var:b1 PagebRef:bSec.b2.1
LO:b 2.1b
GO:b G2

5) Whichbstatementbbelowbcorrectlybdescribesbthebresponsesbofbalpha,bbeta,bandbgammabradiationbt
obanbelectricbfield?
A) Bothbbetabandbgammabarebdeflectedbinbthebsamebdirection,bwhilebalphabshowsbnobresponse.
B) Bothbalphabandbgammabarebdeflectedbinbthebsamebdirection,bwhilebbetabshowsbnobresponse.
C) Bothbalphabandbbetabarebdeflectedbinbthebsamebdirection,bwhilebgammabshowsbnobresponse.
D) Alphabandbbetabarebdeflectedbinboppositebdirections,bwhilebgammabshowsbnobresponse.
E) Onlybalphabisbdeflected,bwhilebbetabandbgammabshowbnobresponse.b
Answer:b D
Diff:b2 Var:b1 PagebRef:bSec.b2.2
LO:b 2.2b
GO:b G2

6) Whichbonebofbthebfollowingbisbnotbtruebconcerningbcathodebrays?
A) Theyboriginatebfrombthebnegativebelectrode.
B) Theybtravelbinbstraightblinesbinbthebabsencebofbelectricborbmagneticbfields.
C) Theybimpartbabnegativebchargebtobmetalsbexposedbtobthem.
D) Theybarebmadebupbofbelectrons.
E) Thebcharacteristicsbofbcathodebraysbdependbonbthebmaterialbfrombwhichbtheybarebemitted.b
Answer:b E
Diff:b2 Var:b1 PagebRef:bSec.b2.2
LO:b 2.2b
GO:b G2

7) Thebchargebonbanbelectronbwasbdeterminedbinbtheb .
A) cathodebraybtube,bbybJ.bJ.bThomson
B) Rutherfordbgoldbfoilbexperiment
C) Millikanboilbdropbexperiment
D) Daltonbatomicbtheory
E) atomicbtheorybofbmatterb
Answer:b C
Diff:b1 Var:b1 PagebRef:bSec.b2.2
LO:b 2.2b
GO:b G2



2
Copyrightb©b2018bPearsonbEducation,bInc.
mynursytest.store

, DOWNLOAD THE Test Bank for Chemistry The Central Science 14th Edition Brown
b b b b b b b b b b b




8) -raysbconsistbofbfast-movingbelectrons.
A) Alpha
B) Beta
C) Gamma
D) X
E) nonebofbthebaboveb
Answer:b B
Diff:b1 Var:b1 PagebRef:bSec.b2.2
LO:b 2.2b
GO:b G2

9) ThebgoldbfoilbexperimentbperformedbinbRutherford'sblabb .
A) confirmedbthebplum-puddingbmodelbofbthebatom
B) ledbtobthebdiscoverybofbthebatomicbnucleus
C) wasbthebbasisbforbThomson'sbmodelbofbthebatom
D) utilizedbthebdeflectionbofbbetabparticlesbbybgoldbfoil
E) provedbtheblawbofbmultiplebproportionsb
Answer:b B
Diff:b1 Var:b1 PagebRef:bSec.b2.2
LO:b 2.2b
GO:b G2

10) InbthebRutherfordbnuclear-atombmodel,b .
A) thebheavybsubatomicbparticles,bprotonsbandbneutrons,bresidebinbthebnucleus
B) thebthreebprincipalbsubatomicbparticlesb(protons,bneutrons,bandbelectrons)ballbhavebessentiallybt
hebsamebmass
C) theblightbsubatomicbparticles,bprotonsbandbneutrons,bresidebinbthebnucleus
D) massbisbspreadbessentiallybuniformlybthroughoutbthebatom
E) thebthreebprincipalbsubatomicbparticlesb(protons,bneutrons,bandbelectrons)ballbhavebessentiallybt
hebsamebmassbandbmassbisbspreadbessentiallybuniformlybthroughoutbthebatom
Answer:b A
Diff:b1 Var:b1 PagebRef:bSec.b2.2
LO:b 2.2b
GO:b G2

11) Cathodebraysbareb .
A) neutrons
B) X-rays
C) electrons
D) protons
E) atomsbA
nswer:b C
Diff:b1 Var:b1 PagebRef:bSec.b2.2
LO:b 2.2b
GO:b G2



3
Copyrightb©b2018bPearsonbEducation,bInc.
mynursytest.store