n n n n n n n n n n n
mistry 9th Edition Seager n n n
Chaptern02n-nAtomsnandnMolecules
1. WhynisnCaOnthensymbolnforncalciumnoxideninsteadnofnCAO?
a. bothncannbenthensymbolsnforncalciumnoxide
b. bothnarenincorrect;nthensymbolnisncao
c. ancapitalnletternmeansnannewnsymbol
d. bothnarenincorrectnasnthensymbolnshouldnbenCaOx
ANSWER: c
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
2. Whatnisnthenmeaningnofnthentwon(2)ninnethylnalcohol,nC2H5OH?
a. allnalcoholnmoleculesncontainntwoncarbonnatoms
b. therenarentwoncarbonnatomsnpernmoleculenofnethylnalcohol
c. carbonnisndiatomic
d. allnofnthesenarencorrectnstatements
ANSWER: b
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
3. Thensymbolsnfornelementsnwithnacceptednnames
a. consistnofnansinglencapitalnletter.
b. consistnofnancapitalnletternandnansmallnletter.
c. consistnofneithernansinglencapitalnletternornancapitalnletternandnansmallnletter.
d. Nonanswernisncorrect.
ANSWER: c
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
4. Anmolecularnformula
a. isnrepresentednusingnthensymbolsnofnthenelementsninnthenformula.
b. isnrepresentednusingnansystemnofncirclesnthatncontainndifferentnsymbols.
c. cannotnbenrepresentednconvenientlynusingnsymbolsnfornthenelements.
d. isnrepresentednusingnwordsnrathernthannsymbols.
ANSWER: a
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
CopyrightnCengagenLearning.nPowerednbynCognero Pagen1
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Chaptern02n-nAtomsnandnMolecules
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
5. Whichnofnthenfollowingnusesnthenunitnofn"u"norn“amu”?
a. atomicnweightsnofnatoms b.nrelativenmassesnofnatoms
c.n molecularnweightsnofnmolecules d.nmorenthannonenresponsenisncorrect
ANSWER: d
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
6. WhatnisnmeantnwhennthensymbolnC-12n(orn12C)nisnused?
a. thencarbonnatomnweighsn12ngrams b.nthencarbonnatomnweighsn12npounds
c.n thencarbonnatomnweighsn12namu d.nthenmeltingnpointnofncarbonnisn12°C
ANSWER: c
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
7. Referntonanperiodicntablenandntellnhownmanynheliumnatomsn(He)nwouldnbenneededntongetnclosentonthen
samenmassnasnannaveragenoxygennatomn(O).
a. six b.nfour c.ntwelve d.none-fourth
ANSWER: b
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
8. Determinenthenmolecularnweightnofnhydrogennperoxide,nH2O2,ninnun(ornamu).
a.n17.01 b.n18.02 c.n34.02 d.n33.01
ANSWER: c
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
9. Usingnwholennumbers,ndeterminenthenmolecularnweightnofncalciumnhydroxide,nCa(OH)2.
CopyrightnCengagenLearning.nPowerednbynCognero Pagen2
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mynursytest.store
, DOWNLOAD THE Test Bank for Chemistry for Today General Organic andBioche
n n n n n n n n n n n
mistry 9th Edition Seager n n n
Chaptern02n-nAtomsnandnMolecules
a.n56 b.n57 c.n58 d.n74
ANSWER: d
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
10. Thenaveragenrelativenmassnofnannozonenmoleculenisn48.0nu.nAnnozonenmoleculencontainsnonlynoxygenn
atoms.nWhatndoesnthisnmolecularnweightnindicatenaboutnthenformulanofnthenozonenmolecule?
a. Itnisnmonoatomic. b.nItnisndiatomic.
c.n Itnisntriatomic. d.nImpossiblentondetermine
ANSWER: c
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
11. Whichnofnthenfollowingnpairsnarenaboutnequalninnmass?
a. protonnandnelectron b.nelectronnandnneutron
c.n protonnandnneutron d.nnucleusnandnsurroundingnelectrons
ANSWER: c
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
12. Whichnofnthenfollowingnparticlesnisnthensmallest?
a. proton b.nelectron
c.n neutron d.ntheynarenallnthensamensize
ANSWER: b
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
HASnVARIABLES:n False
DATEnCREATED: 3/4/2016n3:37nPM
DATEnMODIFIED:n 3/4/2016n3:37nPM
13. Hownmanynelectronsnareninnanneutralnatomnofncarbon-13n(13C)?
a. 6 b.n18 c.n12 d.nnonwayntontell
ANSWER: a
POINTS: 1
QUESTIONnTYPE:n MultiplenChoice
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