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

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CampbelltyBiologytyintyFocus,ty2ety(Urry)tyCh
apterty2t y ThetyChemicaltyContexttyoftyLife

2.1 Multiple-ChoicetyQuestions

1) Aboutty20-
25%tyoftythety92tynaturaltyelementstyaretyknowntytotybetyessentialtytotylife.tyWhichtyfourtyoftyth
esetyelementstymaketyuptyapproximatelyty96%tyoftylivingtymatter?
A) carbon,tysodium,tyhydrogen,tynitrogen
B) carbon,tyoxygen,typhosphorus,tyhydrogen
C) oxygen,tyhydrogen,tycalcium,tynitrogen
D) carbon,tyhydrogen,tynitrogen,tyoxygen
E) carbon,tyoxygen,tynitrogen,tycalciu
mtyAnswer:t y D
Topic:t y Conceptty2.1
Skill:t y Knowledge/Comprehensiont
yLearningtyOutcome:t y 2.1


2) Tracetyelementstyaretythosetyrequiredtybytyantyorganismtyintyonlytyminutetyquantities.tyWhic
htyoftythetyfollowingtyistyatytracetyelementtythattyistyrequiredtybytyhumanstyandtyothertyvertebra
tes?
A) nitrogen
B) calcium
C) iodine
D) sodium
E) phosphorus
tyAnswer:t y C
Topic:t y Conceptty2.1
Skill:t y Knowledge/Comprehensiont
yLearningtyOutcome:t y 2.1


3) Tracetyelementstyaretythosetyrequiredtybytyantyorganismtyintyonlytyminutetyquantities.tyWhic
htyoftythetyfollowingtyistyatytracetyelementtythattyistyrequiredtybytyalltyorganisms?
A) iron
B) calcium
C) iodine
D) sodium
E) potassium
tyAnswer:t y
A
Topic:t y Conceptty2.1
Skill:t y Knowledge/Comprehensiont
yLearningtyOutcome:t y 2.1




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4) Whichtyoftythetyfollowingtyistyprimarilytyresponsibletyfortythetyuniquetychemicaltypropertiesty
oftyeachtyelement?
A) Eachtyelementtyhastyatyuniquetyatomictymass.
B) Eachtyelementtyhastyatyuniquetyatomictynumber.
C) Eachtyelementtyhastyatyuniquetynumbertyoftyprotons.
D) Eachtyelementtyhastyatyuniquetynumbertyoftyneutrons.
E) Eachtyelementtyhastyuniquetyradioactivetyproperti
es.tyAnswer:t y C
Topic:t y Conceptty2.2
Skill:t y Knowledge/Comprehensiont
yLearningtyOutcome:t y 2.2


5) Fromtythetyatomictymass,tyonetycantydeducetythetynumbertyofty
intyeachtyatomtyoftyantyelement
.
A) protons
B) neutrons
C) electrons
D) protonstyplustyelectrons
E) protonstyplustyneutron
styAnswer:t y E
Topic:t y Conceptty2.2
Skill:t y Application/AnalysistyLearn
ingtyOutcome:t y 2.2

6) Intywhattywaytyaretyelementstyintythetysametycolumntyoftythetyperiodictytabletythetysame?
A) Theytyhavetythetysametynumbertyoftyprotons.
B) Theytyhavetythetysametynumbertyoftyneutrons.
C) Theytyhavetythetysametynumbertyoftyelectrons.
D) Theytyhavetythetysametynumbertyoftyelectronstyintytheirtyvalencetyshell.
E) Theytyhavetythetysametynumbertyoftyelectrontysh
ells.tyAnswer:t y D
Topic:t y Conceptty2.2
Skill:t y Knowledge/Comprehensiont
yLearningtyOutcome:t y 2.2


7) Intywhattywaytyaretyelementstyintythetysametyrowtyoftythetyperiodictytabletythetysame?
A) Theytyhavetythetysametynumbertyoftyprotons.
B) Theytyhavetythetysametynumbertyoftyneutrons.
C) Theytyhavetythetysametynumbertyoftyelectrons.
D) Theytyhavetythetysametynumbertyoftyelectronstyintytheirtyvalencetyshell.
E) Theytyhavetythetysametynumbertyoftyelectrontysh
ells.tyAnswer:t y E
Topic:t y Conceptty2.2
Skill:t y Knowledge/Comprehensiont
yLearningtyOutcome:t y 2.2



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8) Thetynucleustyoftyatynitrogentyatomtycontainsty7tyneutronstyandty7typrotons.tyWhichtyoftythetyfoll
owingtyistyatycorrecttystatementtyconcerningtynitrogen?
A) Thetynitrogentyatomtyhastyatymasstynumbertyofty7tyandtyantyatomictynumbertyofty14.
B) Thetynitrogentyatomtyhastyatymasstynumbertyofty14tyandtyantyatomictynumbertyofty7.
C) Thetynitrogentyatomtyhastyatymasstynumbertyofty14tyandtyantyatomictynumbertyofty14.
D) Thetynitrogentyatomtyhastyatymasstynumbertyofty7tyandtyantyatomictynumbertyofty21.
E) Thetynitrogentyatomtyhastyatymasstynumbertyofty14tyandtyantyatomictynumbe
rtyofty21.tyAnswer:t y B
Topic:t y Conceptty2.2
Skill:t y Knowledge/Comprehensiont
yLearningtyOutcome:t y 2.2


9) Fortyelementstyintythetyfirsttythreetyrowstyoftythetyperiodictytable,tythetypositiontyoftyantyelementty
intythetyrowtyindicatestywhichtyoftythetyfollowing?
A) thetytotaltynumbertyoftyelectronstyintythetyelement
B) thetytotaltynumbertyoftyprotonstyintythetyelement
C) thetytotaltynumbertyoftyneutronstyintythetyelement
D) thetynumbertyoftyelectrontyorbitalstyintythetyelement
E) thetynumbertyoftyelectronstyintythetyvalencety
shelltyAnswer:t y E
Topic:t y Conceptty2.2
Skill:t y Knowledge/Comprehensiont
yLearningtyOutcome:t y 2.2


10) Thetychemicaltybehaviortyoftyantyatomtydependstyprimarilytyupontywhichtyoftythetyfollowing?
A) thetynumbertyoftyneutronstyintythetynucleus
B) thetynumbertyoftyprotonstyintythetynucleus
C) thetynumbertyoftyelectronstyintythetyvalencetyshell
D) thetytotaltynumbertyoftyelectronstycontainedtybytythetyatom
E) thetynumbertyoftyelectrontyshellstycontainedtybytythety
atomtyAnswer:t y C
Topic:t y Conceptty2.2
Skill:t y Knowledge/Comprehensiont
yLearningtyOutcome:t y 2.2




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