Test Bank for Campbell Biology in Focus 2nd Edition Urry

,DOWNLOAD THE Test Bank for Campbell Biology in Focus 2nd Edition Urry



CampbellABiologyAinAFocus,A2eA(Urry)AChapt
erA2A TheAChemicalAContextAofALife

2.1 Multiple-ChoiceAQuestions

1) AboutA20-
25%AofAtheA92AnaturalAelementsAareAknownAtoAbeAessentialAtoAlife.AWhichAfourAofAtheseAele
mentsAmakeAupAapproximatelyA96%AofAlivingAmatter?
A) carbon,Asodium,Ahydrogen,Anitrogen
B) carbon,Aoxygen,Aphosphorus,Ahydrogen
C) oxygen,Ahydrogen,Acalcium,Anitrogen
D) carbon,Ahydrogen,Anitrogen,Aoxygen
E) carbon,Aoxygen,Anitrogen,Acalcium
AAnswer:A D

Topic:A ConceptA2.1
Skill:A Knowledge/ComprehensionA
LearningAOutcome:A 2.1

2) TraceAelementsAareAthoseArequiredAbyAanAorganismAinAonlyAminuteAquantities.AWhichAofAt
heAfollowingAisAaAtraceAelementAthatAisArequiredAbyAhumansAandAotherAvertebrates?
A) nitrogen
B) calcium
C) iodine
D) sodium
E) phosphorus
AAnswer:A C

Topic:A ConceptA2.1
Skill:A Knowledge/ComprehensionA
LearningAOutcome:A 2.1

3) TraceAelementsAareAthoseArequiredAbyAanAorganismAinAonlyAminuteAquantities.AWhichAofAt
heAfollowingAisAaAtraceAelementAthatAisArequiredAbyAallAorganisms?
A) iron
B) calcium
C) iodine
D) sodium
E) potassium
AAnswer:A A

Topic:A ConceptA2.1
Skill:A Knowledge/ComprehensionA
LearningAOutcome:A 2.1




1
CopyrightA©A2016APearsonAEducation,AInc
.
mynursytest.store

,DOWNLOAD THE Test Bank for Campbell Biology in Focus 2nd Edition Urry



4) WhichAofAtheAfollowingAisAprimarilyAresponsibleAforAtheAuniqueAchemicalApropertiesAofAeac
hAelement?
A) EachAelementAhasAaAuniqueAatomicAmass.
B) EachAelementAhasAaAuniqueAatomicAnumber.
C) EachAelementAhasAaAuniqueAnumberAofAprotons.
D) EachAelementAhasAaAuniqueAnumberAofAneutrons.
E) EachAelementAhasAuniqueAradioactiveAproperties
.AAnswer:A C
Topic:A ConceptA2.2
Skill:A Knowledge/ComprehensionA
LearningAOutcome:A 2.2

5) FromAtheAatomicAmass,AoneAcanAdeduceAtheAnumberAofA inAeachAatomAofAanAelement.
A) protons
B) neutrons
C) electrons
D) protonsAplusAelectrons
E) protonsAplusAneutrons
AAnswer:A E

Topic:A ConceptA2.2
Skill:A Application/AnalysisALearnin
gAOutcome:A 2.2

6) InAwhatAwayAareAelementsAinAtheAsameAcolumnAofAtheAperiodicAtableAtheAsame?
A) TheyAhaveAtheAsameAnumberAofAprotons.
B) TheyAhaveAtheAsameAnumberAofAneutrons.
C) TheyAhaveAtheAsameAnumberAofAelectrons.
D) TheyAhaveAtheAsameAnumberAofAelectronsAinAtheirAvalenceAshell.
E) TheyAhaveAtheAsameAnumberAofAelectronAshells
.AAnswer:A D
Topic:A ConceptA2.2
Skill:A Knowledge/ComprehensionA
LearningAOutcome:A 2.2

7) InAwhatAwayAareAelementsAinAtheAsameArowAofAtheAperiodicAtableAtheAsame?
A) TheyAhaveAtheAsameAnumberAofAprotons.
B) TheyAhaveAtheAsameAnumberAofAneutrons.
C) TheyAhaveAtheAsameAnumberAofAelectrons.
D) TheyAhaveAtheAsameAnumberAofAelectronsAinAtheirAvalenceAshell.
E) TheyAhaveAtheAsameAnumberAofAelectronAshells
.AAnswer:A E
Topic:A ConceptA2.2
Skill:A Knowledge/ComprehensionA
LearningAOutcome:A 2.2




2
CopyrightA©A2016APearsonAEducation,AInc
.
mynursytest.store

, DOWNLOAD THE Test Bank for Campbell Biology in Focus 2nd Edition Urry



8) TheAnucleusAofAaAnitrogenAatomAcontainsA7AneutronsAandA7Aprotons.AWhichAofAtheAfollowingAis
AaAcorrectAstatementAconcerningAnitrogen?

A) TheAnitrogenAatomAhasAaAmassAnumberAofA7AandAanAatomicAnumberAofA14.
B) TheAnitrogenAatomAhasAaAmassAnumberAofA14AandAanAatomicAnumberAofA7.
C) TheAnitrogenAatomAhasAaAmassAnumberAofA14AandAanAatomicAnumberAofA14.
D) TheAnitrogenAatomAhasAaAmassAnumberAofA7AandAanAatomicAnumberAofA21.
E) TheAnitrogenAatomAhasAaAmassAnumberAofA14AandAanAatomicAnumberAofA2
1.AAnswer:A B
Topic:A ConceptA2.2
Skill:A Knowledge/ComprehensionA
LearningAOutcome:A 2.2

9) ForAelementsAinAtheAfirstAthreeArowsAofAtheAperiodicAtable,AtheApositionAofAanAelementAinAtheAro
wAindicatesAwhichAofAtheAfollowing?
A) theAtotalAnumberAofAelectronsAinAtheAelement
B) theAtotalAnumberAofAprotonsAinAtheAelement
C) theAtotalAnumberAofAneutronsAinAtheAelement
D) theAnumberAofAelectronAorbitalsAinAtheAelement
E) theAnumberAofAelectronsAinAtheAvalenceAshel
lAAnswer:A E
Topic:A ConceptA2.2
Skill:A Knowledge/ComprehensionA
LearningAOutcome:A 2.2

10) TheAchemicalAbehaviorAofAanAatomAdependsAprimarilyAuponAwhichAofAtheAfollowing?
A) theAnumberAofAneutronsAinAtheAnucleus
B) theAnumberAofAprotonsAinAtheAnucleus
C) theAnumberAofAelectronsAinAtheAvalenceAshell
D) theAtotalAnumberAofAelectronsAcontainedAbyAtheAatom
E) theAnumberAofAelectronAshellsAcontainedAbyAtheAato
mAAnswer:A C
Topic:A ConceptA2.2
Skill:A Knowledge/ComprehensionA
LearningAOutcome:A 2.2




3
CopyrightA©A2016APearsonAEducation,AInc
.
mynursytest.store