Complete Test Bank Chemistry A Molecular Approach 3rd Edition Tro Questions & Answers with rationales (Chapter 1-24)

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g g g g g g g g




Chapterg02g-gAtoms,gMolecules,gandgIons


Chapter 02 g g


Atoms, Molecules, and Ions
g g g




MultiplegChoicegQuestions


1.

Ingagcathodegraygtube



A. electronsgpassgfromgtheganodegtogthegcathode.
B. electronsgpassgfromgthegcathodegtogtheganode.
C. protonsgpassgfromgtheganodegtogthegcathode.
D. protonsgpassgfromgthegcathodegtogtheganode.

Bloom'sgLevel:g4.gAnalyz
egDifficulty:gMediumgGra
dable:gautomaticgSection:
g02.02
Subtopic:gStructuregofgthegAto
mgTopic:gComponentsgofgMatter



2. Thegscientistgwhogdeterminedgthegmagnitudegofgthegelectricgchargegofgthegelectrongwas
A. JohngDalton.
B. RobertgMillikan.
C. J.gJ.gThomson.
D. HenrygMoseley.
E. R.gChang.


Bloom'sgLevel:g1.gRemembe
rgDifficulty:gEasy
Gradable:gautomatic
gSection:g02.02
Subtopic:gStructuregofgthegAto
mgTopic:gComponentsgofgMatter




2-1
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HillgEducation.
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g g g g g g g g




Chapterg02g-gAtoms,gMolecules,gandgIons




3. WhengJ.gJ.gThomsongdiscoveredgthegelectron,gwhatgphysicalgpropertygofgthegelectrongdidgheg
measure?
A. itsgcharge,ge
B. itsgcharge-to-massgratio,ge/m
C. itsgtemperature,gT
D. itsgmass,gm
E. itsgatomicgnumber,gZ


Bloom'sgLevel:g4.gAnalyz
egDifficulty:gEasygGradab
le:gautomaticgSection:g02
.02
Subtopic:gStructuregofgthegAto
mgTopic:gComponentsgofgMatter



4. Whichgofgthegfollowinggscientistsgdevelopedgthegnucleargmodelgofgthegatom?
A. JohngDalton
B. RobertgMillikan
C. J.gJ.gThomson
D. HenrygMoseley
E. ErnestgRutherford


Bloom'sgLevel:g1.gRemembe
rgDifficulty:gEasy
Gradable:gautomatic
gSection:g02.02
Subtopic:gStructuregofgthegAto
mgTopic:gComponentsgofgMatter



5. Rutherford'sgexperimentgwithgalphagparticlegscatteringgbyggoldgfoilgestablishedgthat
A. protonsgaregnotgevenlygdistributedgthroughoutgangatom.
B. electronsghavegagnegativegcharge.
C. electronsghavegagpositivegcharge.
D. atomsgaregmadegofgprotons,gneutrons,gandgelectrons.
E. protonsgareg1840gtimesgheaviergthangelectrons.


Bloom'sgLevel:g4.gAnalyz
egDifficulty:gMediumgGra
dable:gautomaticgSection:
g02.02
Subtopic:gStructuregofgthegAtom
Topic:gComponentsgofgMatter


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HillgEducation.
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g g g g g g g g




Chapterg02g-gAtoms,gMolecules,gandgIons




6. Atomsgofgthegsamegelementgwithgdifferentgmassgnumbersgaregcalled
A. ions.
B. neutrons.
C. allotropes.
D. chemicalgfamilies.
E. isotopes.


Bloom'sgLevel:g2.gUnderstan
dgDifficulty:gEasy
Gradable:gautomatic
gSection:g02.03
Subtopic:gAtomicgNumber,gMassgNumber,gAtomicgSymbol,gandgIsotope
sgTopic:gComponentsgofgMatter



7. Angatomgofgthegisotopeg137Bagconsistsgofghowgmanygprotonsg(p),gneutronsg(n),gandgelectronsg(
e)?
A.g56gp,g137gn,g56ge
B.g56gp,g81gn,g56ge
C.g137gp,g81gn,g56ge
D.g56gp,g56gn,g56ge
E.g81gp,g56gn,g81ge


Bloom'sgLevel:g4.gAnalyz
egDifficulty:gMediumgGra
dable:gautomaticgSection:
g02.03
Subtopic:gAtomicgNumber,gMassgNumber,gAtomicgSymbol,gandgIsotope
sgTopic:gComponentsgofgMatter



8. Givegthegnumbergofgprotonsg(p),gneutronsg(n),gandgelectronsgE)gingonegatomgofg238U.g
A.g146gp,g92gn,g92ge
B.g92gp,g92gn,g92ge
C.g92gp,g146gn,g92e
D.g146gp,g28gn,g146ge
E.g238gp,g146gn,g238ge


Bloom'sgLevel:g4.gAnalyz
egDifficulty:gMediumgGra
dable:gautomaticgSection:
g02.03
Subtopic:gAtomicgNumber,gMassgNumber,gAtomicgSymbol,gandgIsotopes
Topic:gComponentsgofgMatter


2-3
CopyrightgMcGraw-HillgEducation.gAllgrightsgreserved.gNogreproductiongorgdistributiongwithoutgthegpriorgwrittengconsentgofgMcGraw-
HillgEducation.
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