Test Bank - Campbell Biology in Focus, 2nd AP® Edition (Urry, 2017) Chapter 1-43 | All Chapters

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n n n n n n n n n n n




CampbellnBiologyninnFocus,n2en(Urry)nChapte
rn2n ThenChemicalnContextnofnLife

2.1 Multiple-ChoicenQuestions

1) Aboutn20-
25%nofnthen92nnaturalnelementsnarenknownntonbenessentialntonlife.nWhichnfournofnthesenelements
nmakenupnapproximatelyn96%nofnlivingnmatter?

A) carbon,nsodium,nhydrogen,nnitrogen
B) carbon,noxygen,nphosphorus,nhydrogen
C) oxygen,nhydrogen,ncalcium,nnitrogen
D) carbon,nhydrogen,nnitrogen,noxygen
E) carbon,noxygen,nnitrogen,ncalciumn
Answer:n D
Topic:n Conceptn2.1
Skill:n Knowledge/Comprehensionn
LearningnOutcome:nn2.1

2) Tracenelementsnarenthosenrequirednbynannorganismninnonlynminutenquantities.nWhichnofnthenf
ollowingnisnantracenelementnthatnisnrequirednbynhumansnandnothernvertebrates?
A) nitrogen
B) calcium
C) iodine
D) sodium
E) phosphorusn
Answer:n C
Topic:n Conceptn2.1
Skill:n Knowledge/Comprehensionn
LearningnOutcome:nn2.1

3) Tracenelementsnarenthosenrequirednbynannorganismninnonlynminutenquantities.nWhichnofnthenf
ollowingnisnantracenelementnthatnisnrequirednbynallnorganisms?
A) iron
B) calcium
C) iodine
D) sodium
E) potassiumn
Answer:n A
Topic:n Conceptn2.1
Skill:n Knowledge/Comprehensionn
LearningnOutcome:nn2.1




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4) Whichnofnthenfollowingnisnprimarilynresponsiblenfornthenuniquenchemicalnpropertiesnofneachne
lement?
A) Eachnelementnhasnanuniquenatomicnmass.
B) Eachnelementnhasnanuniquenatomicnnumber.
C) Eachnelementnhasnanuniquennumbernofnprotons.
D) Eachnelementnhasnanuniquennumbernofnneutrons.
E) Eachnelementnhasnuniquenradioactivenproperties.n
Answer:n C
Topic:n Conceptn2.2
Skill:n Knowledge/Comprehensionn
LearningnOutcome:nn2.2

5) Fromnthenatomicnmass,nonencanndeducenthennumbernof inneachnatomnofnannelement.
A) protons
B) neutrons
C) electrons
D) protonsnplusnelectrons
E) protonsnplusnneutronsn
Answer:n E
Topic:n Conceptn2.2
Skill:nApplication/AnalysisnLearni
ngnOutcome:nn2.2

6) Innwhatnwaynarenelementsninnthensamencolumnnofnthenperiodicntablenthensame?
A) Theynhaventhensamennumbernofnprotons.
B) Theynhaventhensamennumbernofnneutrons.
C) Theynhaventhensamennumbernofnelectrons.
D) Theynhaventhensamennumbernofnelectronsninntheirnvalencenshell.
E) Theynhaventhensamennumbernofnelectronnshells.n
Answer:n D
Topic:n Conceptn2.2
Skill:n Knowledge/Comprehensionn
LearningnOutcome:nn2.2

7) Innwhatnwaynarenelementsninnthensamenrownofnthenperiodicntablenthensame?
A) Theynhaventhensamennumbernofnprotons.
B) Theynhaventhensamennumbernofnneutrons.
C) Theynhaventhensamennumbernofnelectrons.
D) Theynhaventhensamennumbernofnelectronsninntheirnvalencenshell.
E) Theynhaventhensamennumbernofnelectronnshells.n
Answer:n E
Topic:n Conceptn2.2
Skill:n Knowledge/Comprehensionn
LearningnOutcome:nn2.2




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, DOWNLOAD THE Test Bank for Campbell Biology in Focus 2nd Edition Urry
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8) Thennucleusnofnannitrogennatomncontainsn7nneutronsnandn7nprotons.nWhichnofnthenfollowingnisnanc
orrectnstatementnconcerningnnitrogen?
A) Thennitrogennatomnhasnanmassnnumbernofn7nandnannatomicnnumbernofn14.
B) Thennitrogennatomnhasnanmassnnumbernofn14nandnannatomicnnumbernofn7.
C) Thennitrogennatomnhasnanmassnnumbernofn14nandnannatomicnnumbernofn14.
D) Thennitrogennatomnhasnanmassnnumbernofn7nandnannatomicnnumbernofn21.
E) Thennitrogennatomnhasnanmassnnumbernofn14nandnannatomicnnumbernofn21.n
Answer:nB
Topic:n Conceptn2.2
Skill:n Knowledge/Comprehensionn
LearningnOutcome:nn2.2

9) Fornelementsninnthenfirstnthreenrowsnofnthenperiodicntable,nthenpositionnofnannelementninnthenrownin
dicatesnwhichnofnthenfollowing?
A) thentotalnnumbernofnelectronsninnthenelement
B) thentotalnnumbernofnprotonsninnthenelement
C) thentotalnnumbernofnneutronsninnthenelement
D) thennumbernofnelectronnorbitalsninnthenelement
E) thennumbernofnelectronsninnthenvalencenshelln
Answer:n E
Topic:n Conceptn2.2
Skill:n Knowledge/Comprehensionn
LearningnOutcome:nn2.2

10) Thenchemicalnbehaviornofnannatomndependsnprimarilynuponnwhichnofnthenfollowing?
A) thennumbernofnneutronsninnthennucleus
B) thennumbernofnprotonsninnthennucleus
C) thennumbernofnelectronsninnthenvalencenshell
D) thentotalnnumbernofnelectronsncontainednbynthenatom
E) thennumbernofnelectronnshellsncontainednbynthenatomn
Answer:n C
Topic:n Conceptn2.2
Skill:n Knowledge/Comprehensionn
LearningnOutcome:nn2.2




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Copyrightn©n2016nPearsonnEducation,nInc.
mynursytest.store