,DOWNLOAD THE Test Bank for Chemical Principles 8th Edition Zumdahl
k k k k k k k k k
Chapter 02 - Atoms, Molecules, and Ions
k k k k k k
1. Accordingktoktheklawkofkdefinitekproportions,
a. thekratiokofkthekmasseskofkthekelementskinkakcompoundkiskalwaysktheksame.
b. itkisknotkpossiblekforktheksamektwokelementsktokformkmorekthankonekcompound.
c. ifktheksamektwokelementskformktwokdifferentkcompounds,ktheykdoksokinktheksamekratio.
d. thektotalkmasskafterkakchemicalkchangekisktheksamekaskbeforekthekchange.
ANSWER: a
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.2
KEYWORDS: compoundk|kgeneralkchemistryk|kgeneralkconceptsk|kmatter
2. Whichkofkthekfollowingkpairskofkcompoundskcankbekusedktokillustratektheklawkofkmultiplekproportions?
a. CaOkandkCaCl2
b. NOkandkNO2
c. H2SkandkHBr
d. SiH4k andkSiO2
e. NF3k andkNCl3
ANSWER: b
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.2
KEYWORDS: compoundk|kgeneralkchemistryk|kgeneralkconceptsk|kmatter
3. HowkmanykofkthekfollowingkdidkDaltonknotkdiscusskinkhiskatomicktheory?
I. isotopes
II. ions
III. protons
IV. neutrons
V. electrons
a.k 2
b.k5
c.k 4
d.k1
e.k 3
ANSWER: b
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.3
KEYWORDS: atomicktheorykofkmatterk|kDalton'skatomicktheoryk|kearlykatomicktheoryk|kgeneralkchemistry
4. Whenk2.0kLkofkoxygenkgask(O2)kreactskwithk1.0kLkofknitrogenkgask(N2),k2.0kLkofkgaseouskproductkiskformed.
CopyrightkCengagekLearning.kPoweredkbykCognero. Pagek1
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,DOWNLOAD THE Test Bank for Chemical Principles 8th Edition Zumdahl
k k k k k k k k k
Chapter 02 - Atoms, Molecules, and Ions
k k k k k k
Allkvolumeskofkgaseskarekmeasuredkatktheksamektemperaturekandkpressure.kWhatkiskthekformulakofkthekproduct?
a. NO
b. NO4
c. N2O3
d. N2O
e. NO2
ANSWER: e
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.4
KEYWORDS:
chemicalkformulak|kchemicalksubstancek|kearlykatomicktheoryk|kgeneralkchemistryk|kmolec
ularksubstance
5. Whichkonekofkthekfollowingkstatementskaboutkatomickstructurekiskfalse?
a. Almostkallkofkthekmasskofkthekatomkiskconcentratedkinktheknucleus.
b. Thekprotonskandkneutronskinktheknucleuskarekveryktightlykpacked.
c. Theknumberkofkprotonskandktheknumberkofkneutronskarekalwaysktheksamekinkthekneutralkatom.
d. Thekelectronskoccupykakveryklargekvolumekcomparedktoktheknucleus.
ANSWER: c
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.4
2.5
KEYWORDS: atomicktheorykofkmatterk|kearlykatomicktheoryk|kgeneralkchemistryk|knuclearkstructure
6. Whichkofkthekexperimentsklistedkbelowkdidknotkprovidekthekinformationkstatedkaboutktheknaturekofkthekatom?
a. ThekRutherfordkexperimentkprovedkthatkthekThomsonk"plumkpudding"kmodelkofkthekatomkwaske
ssentiallykcorrect.
b. ThekRutherfordkexperimentkdeterminedkthekchargekonktheknucleus.
c. Thekcathode-rayktubekprovedkthatkelectronskhavekaknegativekcharge.
d. Millikan'skoil-
dropkexperimentkshowedkthatkthekchargekonkanykparticlekwaskaksimplekmultiplekofkthekchargekonktheke
lectron.
ANSWER: a
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.5
KEYWORDS: atomicktheorykofkmatterk|kearlykatomicktheoryk|kgeneralkchemistryk|kstructurekofkthekatom
7. Whichkofkthekfollowingkatomicksymbolskiskincorrect?
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k k k k k k k k k
Chapter 02 - Atoms, Molecules, and Ions
k k k k k k
1. Accordingktoktheklawkofkdefinitekproportions,
a. thekratiokofkthekmasseskofkthekelementskinkakcompoundkiskalwaysktheksame.
b. itkisknotkpossiblekforktheksamektwokelementsktokformkmorekthankonekcompound.
c. ifktheksamektwokelementskformktwokdifferentkcompounds,ktheykdoksokinktheksamekratio.
d. thektotalkmasskafterkakchemicalkchangekisktheksamekaskbeforekthekchange.
ANSWER: a
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.2
KEYWORDS: compoundk|kgeneralkchemistryk|kgeneralkconceptsk|kmatter
2. Whichkofkthekfollowingkpairskofkcompoundskcankbekusedktokillustratektheklawkofkmultiplekproportions?
a. CaOkandkCaCl2
b. NOkandkNO2
c. H2SkandkHBr
d. SiH4k andkSiO2
e. NF3k andkNCl3
ANSWER: b
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.2
KEYWORDS: compoundk|kgeneralkchemistryk|kgeneralkconceptsk|kmatter
3. HowkmanykofkthekfollowingkdidkDaltonknotkdiscusskinkhiskatomicktheory?
I. isotopes
II. ions
III. protons
IV. neutrons
V. electrons
a.k 2
b.k5
c.k 4
d.k1
e.k 3
ANSWER: b
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.3
KEYWORDS: atomicktheorykofkmatterk|kDalton'skatomicktheoryk|kearlykatomicktheoryk|kgeneralkchemistry
4. Whenk2.0kLkofkoxygenkgask(O2)kreactskwithk1.0kLkofknitrogenkgask(N2),k2.0kLkofkgaseouskproductkiskformed.
CopyrightkCengagekLearning.kPoweredkbykCognero. Pagek1
mynursytest.store
,DOWNLOAD THE Test Bank for Chemical Principles 8th Edition Zumdahl
k k k k k k k k k
Chapter 02 - Atoms, Molecules, and Ions
k k k k k k
Allkvolumeskofkgaseskarekmeasuredkatktheksamektemperaturekandkpressure.kWhatkiskthekformulakofkthekproduct?
a. NO
b. NO4
c. N2O3
d. N2O
e. NO2
ANSWER: e
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.4
KEYWORDS:
chemicalkformulak|kchemicalksubstancek|kearlykatomicktheoryk|kgeneralkchemistryk|kmolec
ularksubstance
5. Whichkonekofkthekfollowingkstatementskaboutkatomickstructurekiskfalse?
a. Almostkallkofkthekmasskofkthekatomkiskconcentratedkinktheknucleus.
b. Thekprotonskandkneutronskinktheknucleuskarekveryktightlykpacked.
c. Theknumberkofkprotonskandktheknumberkofkneutronskarekalwaysktheksamekinkthekneutralkatom.
d. Thekelectronskoccupykakveryklargekvolumekcomparedktoktheknucleus.
ANSWER: c
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.4
2.5
KEYWORDS: atomicktheorykofkmatterk|kearlykatomicktheoryk|kgeneralkchemistryk|knuclearkstructure
6. Whichkofkthekexperimentsklistedkbelowkdidknotkprovidekthekinformationkstatedkaboutktheknaturekofkthekatom?
a. ThekRutherfordkexperimentkprovedkthatkthekThomsonk"plumkpudding"kmodelkofkthekatomkwaske
ssentiallykcorrect.
b. ThekRutherfordkexperimentkdeterminedkthekchargekonktheknucleus.
c. Thekcathode-rayktubekprovedkthatkelectronskhavekaknegativekcharge.
d. Millikan'skoil-
dropkexperimentkshowedkthatkthekchargekonkanykparticlekwaskaksimplekmultiplekofkthekchargekonktheke
lectron.
ANSWER: a
POINTS: 1
DIFFICULTY:k easy
TOPICS: 2.5
KEYWORDS: atomicktheorykofkmatterk|kearlykatomicktheoryk|kgeneralkchemistryk|kstructurekofkthekatom
7. Whichkofkthekfollowingkatomicksymbolskiskincorrect?
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b. 19
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