Test Bank for Chemical Principles, 8th Edition by Peter Atkins.pdf

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




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



1. Accordingqtoqtheqlawqofqdefiniteqproportions,
a. theqratioqofqtheqmassesqofqtheqelementsqinqaqcompoundqisqalwaysqtheqsame.
b. itqisqnotqpossibleqforqtheqsameqtwoqelementsqtoqformqmoreqthanqoneqcompound.
c. ifqtheqsameqtwoqelementsqformqtwoqdifferentqcompounds,qtheyqdoqsoqinqtheqsameqratio.
d. theqtotalqmassqafterqaqchemicalqchangeqisqtheqsameqasqbeforeqtheqchange.
ANSWER: a
POINTS: 1
DIFFICULTY:q easy
TOPICS: 2.2
KEYWORDS: compoundq|qgeneralqchemistryq|qgeneralqconceptsq|qmatter

2. Whichqofqtheqfollowingqpairsqofqcompoundsqcanqbequsedqtoqillustrateqtheqlawqofqmultipleqproportions?
a. CaOqandqCaCl2
b. NOqandqNO2
c. H2SqandqHBr
d. SiH4q andqSiO2
e. NF3q andqNCl3
ANSWER: b
POINTS: 1
DIFFICULTY:q easy
TOPICS: 2.2
KEYWORDS: compoundq|qgeneralqchemistryq|qgeneralqconceptsq|qmatter

3. HowqmanyqofqtheqfollowingqdidqDaltonqnotqdiscussqinqhisqatomicqtheory?
I. isotopes
II. ions
III. protons
IV. neutrons
V. electrons
a.q 2
b.q5
c.q 4
d.q1
e.q 3
ANSWER: b
POINTS: 1
DIFFICULTY:q easy
TOPICS: 2.3
KEYWORDS: atomicqtheoryqofqmatterq|qDalton'sqatomicqtheoryq|qearlyqatomicqtheoryq|qgeneralqchemistry

4. Whenq2.0qLqofqoxygenqgasq(O2)qreactsqwithq1.0qLqofqnitrogenqgasq(N2),q2.0qLqofqgaseousqproductqisqformed.
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,DOWNLOAD THE Test Bank for Chemical Principles 8th Edition Zumdahl
q q q q q q q q q




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



Allqvolumesqofqgasesqareqmeasuredqatqtheqsameqtemperatureqandqpressure.qWhatqisqtheqformulaqofqtheqproduct?
a. NO
b. NO4
c. N2O3
d. N2O
e. NO2
ANSWER: e
POINTS: 1
DIFFICULTY:q easy
TOPICS: 2.4
KEYWORDS:
chemicalqformulaq|qchemicalqsubstanceq|qearlyqatomicqtheoryq|qgeneralqchemistryq|qmolec
ularqsubstance

5. Whichqoneqofqtheqfollowingqstatementsqaboutqatomicqstructureqisqfalse?
a. Almostqallqofqtheqmassqofqtheqatomqisqconcentratedqinqtheqnucleus.
b. Theqprotonsqandqneutronsqinqtheqnucleusqareqveryqtightlyqpacked.
c. Theqnumberqofqprotonsqandqtheqnumberqofqneutronsqareqalwaysqtheqsameqinqtheqneutralqatom.
d. Theqelectronsqoccupyqaqveryqlargeqvolumeqcomparedqtoqtheqnucleus.
ANSWER: c
POINTS: 1
DIFFICULTY:q easy
TOPICS: 2.4
2.5
KEYWORDS: atomicqtheoryqofqmatterq|qearlyqatomicqtheoryq|qgeneralqchemistryq|qnuclearqstructure

6. Whichqofqtheqexperimentsqlistedqbelowqdidqnotqprovideqtheqinformationqstatedqaboutqtheqnatureqofqtheqatom?
a. TheqRutherfordqexperimentqprovedqthatqtheqThomsonq"plumqpudding"qmodelqofqtheqatomqwasqe
ssentiallyqcorrect.
b. TheqRutherfordqexperimentqdeterminedqtheqchargeqonqtheqnucleus.
c. Theqcathode-rayqtubeqprovedqthatqelectronsqhaveqaqnegativeqcharge.
d. Millikan'sqoil-
dropqexperimentqshowedqthatqtheqchargeqonqanyqparticleqwasqaqsimpleqmultipleqofqtheqchargeqonqtheqe
lectron.
ANSWER: a
POINTS: 1
DIFFICULTY:q easy
TOPICS: 2.5
KEYWORDS: atomicqtheoryqofqmatterq|qearlyqatomicqtheoryq|qgeneralqchemistryq|qstructureqofqtheqatom

7. Whichqofqtheqfollowingqatomicqsymbolsqisqincorrect?

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, a. 31
15P
b. 19
9F




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