Test Bank for Chemical Principles, 18th Edition by Peter Atkins.pdf

,DOWNLOAD THE Test Bank for Chemical Principles 8th Edition Zumdahl
g g g g g g g g g




Chapter 02 - Atoms, Molecules, and Ions
g g g g g g



1. Accordinggtogtheglawgofgdefinitegproportions,
a. thegratiogofgthegmassesgofgthegelementsgingagcompoundgisgalwaysgthegsame.
b. itgisgnotgpossiblegforgthegsamegtwogelementsgtogformgmoregthangonegcompound.
c. ifgthegsamegtwogelementsgformgtwogdifferentgcompounds,gtheygdogsogingthegsamegratio.
d. thegtotalgmassgaftergagchemicalgchangegisgthegsamegasgbeforegthegchange.
ANSWER: a
POINTS: 1
DIFFICULTY:g easy
TOPICS: 2.2
KEYWORDS: compoundg|ggeneralgchemistryg|ggeneralgconceptsg|gmatter

2. Whichgofgthegfollowinggpairsgofgcompoundsgcangbegusedgtogillustrategtheglawgofgmultiplegproportions?
a. CaOgandgCaCl2
b. NOgandgNO2
c. H2SgandgHBr
d. SiH4g andgSiO2
e. NF3g andgNCl3
ANSWER: b
POINTS: 1
DIFFICULTY:g easy
TOPICS: 2.2
KEYWORDS: compoundg|ggeneralgchemistryg|ggeneralgconceptsg|gmatter

3. HowgmanygofgthegfollowinggdidgDaltongnotgdiscussginghisgatomicgtheory?
I. isotopes
II. ions
III. protons
IV. neutrons
V. electrons
a.g 2
b.g5
c.g 4
d.g1
e.g 3
ANSWER: b
POINTS: 1
DIFFICULTY:g easy
TOPICS: 2.3
KEYWORDS: atomicgtheorygofgmatterg|gDalton'sgatomicgtheoryg|gearlygatomicgtheoryg|ggeneralgchemistry

4. Wheng2.0gLgofgoxygenggasg(O2)greactsgwithg1.0gLgofgnitrogenggasg(N2),g2.0gLgofggaseousgproductgisgformed.
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,DOWNLOAD THE Test Bank for Chemical Principles 8th Edition Zumdahl
g g g g g g g g g




Chapter 02 - Atoms, Molecules, and Ions
g g g g g g



Allgvolumesgofggasesgaregmeasuredgatgthegsamegtemperaturegandgpressure.gWhatgisgthegformulagofgthegproduct?
a. NO
b. NO4
c. N2O3
d. N2O
e. NO2
ANSWER: e
POINTS: 1
DIFFICULTY:g easy
TOPICS: 2.4
KEYWORDS:
chemicalgformulag|gchemicalgsubstanceg|gearlygatomicgtheoryg|ggeneralgchemistryg|gmolec
ulargsubstance

5. Whichgonegofgthegfollowinggstatementsgaboutgatomicgstructuregisgfalse?
a. Almostgallgofgthegmassgofgthegatomgisgconcentratedgingthegnucleus.
b. Thegprotonsgandgneutronsgingthegnucleusgaregverygtightlygpacked.
c. Thegnumbergofgprotonsgandgthegnumbergofgneutronsgaregalwaysgthegsamegingthegneutralgatom.
d. Thegelectronsgoccupygagveryglargegvolumegcomparedgtogthegnucleus.
ANSWER: c
POINTS: 1
DIFFICULTY:g easy
TOPICS: 2.4
2.5
KEYWORDS: atomicgtheorygofgmatterg|gearlygatomicgtheoryg|ggeneralgchemistryg|gnucleargstructure

6. Whichgofgthegexperimentsglistedgbelowgdidgnotgprovidegtheginformationgstatedgaboutgthegnaturegofgthegatom?
a. ThegRutherfordgexperimentgprovedgthatgthegThomsong"plumgpudding"gmodelgofgthegatomgwasge
ssentiallygcorrect.
b. ThegRutherfordgexperimentgdeterminedgthegchargegongthegnucleus.
c. Thegcathode-raygtubegprovedgthatgelectronsghavegagnegativegcharge.
d. Millikan'sgoil-
dropgexperimentgshowedgthatgthegchargegonganygparticlegwasgagsimplegmultiplegofgthegchargegongthege
lectron.
ANSWER: a
POINTS: 1
DIFFICULTY:g easy
TOPICS: 2.5
KEYWORDS: atomicgtheorygofgmatterg|gearlygatomicgtheoryg|ggeneralgchemistryg|gstructuregofgthegatom

7. Whichgofgthegfollowinggatomicgsymbolsgisgincorrect?

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, a. 31
15P
b. 19
9F




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