Test Bank for Campbell Biology in Focus 2nd Edition Urry Full Chapter Questions With Correct Detailed Answers Verified A+

Test Bank for Campbell Biology in Focu
cf cf cf cf cf cf cf



s 2nd Edition Urry cf cf cf




Chaptercf2c f ThecfChemicalcfContextcfofcfLife

2.1 Multiple-ChoicecfQuestions

1) Aboutcf20-
25%cfofcfthecf92cfnaturalcfelementscfarecfknowncftocfbecfessentialcftocflife.cfWhichcffourcfofcfthesecfele
mentscfmakecfupcfapproximatelycf96%cfofcflivingcfmatter?
A) carbon,cfsodium,cfhydrogen,cfnitrogen
B) carbon,cfoxygen,cfphosphorus,cfhydrogen
C) oxygen,cfhydrogen,cfcalcium,cfnitrogen
D) carbon,cfhydrogen,cfnitrogen,cfoxygen
E) carbon,cfoxygen,cfnitrogen,cfcalcium
cfAnswer:c f D

Topic:c f Conceptcf2.1
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.1

2) Tracecfelementscfarecfthosecfrequiredcfbycfancforganismcfincfonlycfminutecfquantities.cfWhichcfofcft
hecffollowingcfiscfacftracecfelementcfthatcfiscfrequiredcfbycfhumanscfandcfothercfvertebrates?
A) nitrogen
B) calcium
C) iodine
D) sodium
E) phosphorus
cfAnswer:c f C

Topic:c f Conceptcf2.1
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.1

3) Tracecfelementscfarecfthosecfrequiredcfbycfancforganismcfincfonlycfminutecfquantities.cfWhichcfofcft
hecffollowingcfiscfacftracecfelementcfthatcfiscfrequiredcfbycfallcforganisms?
A) iron
B) calcium
C) iodine
D) sodium
E) potassium
cfAnswer:c f A

Topic:c f Conceptcf2.1
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.1

1
Copyrightcf©cf2016cfPearsoncfEducation,cfInc
.
mynursytest.store

,4) Whichcfofcfthecffollowingcfiscfprimarilycfresponsiblecfforcfthecfuniquecfchemicalcfpropertiescfofcfea
chcfelement?
A) Eachcfelementcfhascfacfuniquecfatomiccfmass.
B) Eachcfelementcfhascfacfuniquecfatomiccfnumber.
C) Eachcfelementcfhascfacfuniquecfnumbercfofcfprotons.
D) Eachcfelementcfhascfacfuniquecfnumbercfofcfneutrons.
E) Eachcfelementcfhascfuniquecfradioactivecfproperties
.cfAnswer:c f C
Topic:c f Conceptcf2.2
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.2

5) Fromcfthecfatomiccfmass,cfonecfcancfdeducecfthecfnumbercfofcf incfeachcfatomcfofcfancfelement.
A) protons
B) neutrons
C) electrons
D) protonscfpluscfelectrons
E) protonscfpluscfneutrons
cfAnswer:c f E

Topic:c f Conceptcf2.2
Skill:c f Application/AnalysiscfLearni
ngcfOutcome:c f 2.2

6) Incfwhatcfwaycfarecfelementscfincfthecfsamecfcolumncfofcfthecfperiodiccftablecfthecfsame?
A) Theycfhavecfthecfsamecfnumbercfofcfprotons.
B) Theycfhavecfthecfsamecfnumbercfofcfneutrons.
C) Theycfhavecfthecfsamecfnumbercfofcfelectrons.
D) Theycfhavecfthecfsamecfnumbercfofcfelectronscfincftheircfvalencecfshell.
E) Theycfhavecfthecfsamecfnumbercfofcfelectroncfshells
.cfAnswer:c f D
Topic:c f Conceptcf2.2
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.2

7) Incfwhatcfwaycfarecfelementscfincfthecfsamecfrowcfofcfthecfperiodiccftablecfthecfsame?
A) Theycfhavecfthecfsamecfnumbercfofcfprotons.
B) Theycfhavecfthecfsamecfnumbercfofcfneutrons.
C) Theycfhavecfthecfsamecfnumbercfofcfelectrons.
D) Theycfhavecfthecfsamecfnumbercfofcfelectronscfincftheircfvalencecfshell.
E) Theycfhavecfthecfsamecfnumbercfofcfelectroncfshells
.cfAnswer:c f E
Topic:c f Conceptcf2.2
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.2




2
Copyrightcf©cf2016cfPearsoncfEducation,cfInc
.
mynursytest.store

,8) Thecfnucleuscfofcfacfnitrogencfatomcfcontainscf7cfneutronscfandcf7cfprotons.cfWhichcfofcfthecffollowingcfi
scfacfcorrectcfstatementcfconcerningcfnitrogen?
A) Thecfnitrogencfatomcfhascfacfmasscfnumbercfofcf7cfandcfancfatomiccfnumbercfofcf14.
B) Thecfnitrogencfatomcfhascfacfmasscfnumbercfofcf14cfandcfancfatomiccfnumbercfofcf7.
C) Thecfnitrogencfatomcfhascfacfmasscfnumbercfofcf14cfandcfancfatomiccfnumbercfofcf14.
D) Thecfnitrogencfatomcfhascfacfmasscfnumbercfofcf7cfandcfancfatomiccfnumbercfofcf21.
E) Thecfnitrogencfatomcfhascfacfmasscfnumbercfofcf14cfandcfancfatomiccfnumbercfofcf2
1.cfAnswer:c f B
Topic:c f Conceptcf2.2
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.2

9) Forcfelementscfincfthecffirstcfthreecfrowscfofcfthecfperiodiccftable,cfthecfpositioncfofcfancfelementcfincfthecfr
owcfindicatescfwhichcfofcfthecffollowing?
A) thecftotalcfnumbercfofcfelectronscfincfthecfelement
B) thecftotalcfnumbercfofcfprotonscfincfthecfelement
C) thecftotalcfnumbercfofcfneutronscfincfthecfelement
D) thecfnumbercfofcfelectroncforbitalscfincfthecfelement
E) thecfnumbercfofcfelectronscfincfthecfvalencecfshel
lcfAnswer:c f E
Topic:c f Conceptcf2.2
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.2

10) Thecfchemicalcfbehaviorcfofcfancfatomcfdependscfprimarilycfuponcfwhichcfofcfthecffollowing?
A) thecfnumbercfofcfneutronscfincfthecfnucleus
B) thecfnumbercfofcfprotonscfincfthecfnucleus
C) thecfnumbercfofcfelectronscfincfthecfvalencecfshell
D) thecftotalcfnumbercfofcfelectronscfcontainedcfbycfthecfatom
E) thecfnumbercfofcfelectroncfshellscfcontainedcfbycfthecfato
mcfAnswer:c f C
Topic:c f Conceptcf2.2
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.2




3
Copyrightcf©cf2016cfPearsoncfEducation,cfInc
.
mynursytest.store

, 11) Molybdenumcfhascfancfatomiccfnumbercfofcf42.cfSeveralcfcommoncfisotopescfexist,cfwithcfma
sscfnumberscfofcf92,cf94,cf95,cf96,cf97,cf98,cfandcf100.cfTherefore,cfwhichcfofcfthecffollowingcfiscftru
e?
A) Molybdenumcfatomscfcancfhavecfbetweencf50cfandcf58cfneutrons.
B) Thecfisotopescfofcfmolybdenumcfhavecfdifferentcfelectroncfconfigurations.
C) Thecfisotopescfofcfmolybdenumcfcancfhavecfbetweencf50cfandcf58cfprotons.
D) Thecfisotopescfofcfmolybdenumcfhavecfbetweencf50cfandcf58cfneutronscfandcfhavecfdifferentcfelectr
oncfconfigurations.
E) Thecfisotopescfofcfmolybdenumcfhavecfbetweencf50cfandcf58cfprotonscfandcfhavecfdifferentcfelectr
oncfconfigurations.
Answer:c f A
Topic:c f Conceptcf2.2
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.2

12) Onecfdifferencecfbetweencfcarbon-12cf( cf C)cfandcfcarbon-14cf( cf C)cfiscfthatcfcarbon-14cfhas

A) twocfmorecfprotonscfthancfcarbon-12.
B) twocfmorecfelectronscfthancfcarbon-12.
C) twocfmorecfneutronscfthancfcarbon-12.
D) twocfmorecfprotonscfandcftwocfmorecfneutronscfthancfcarbon-12.
E) twocfmorecfelectronscfandcftwocfmorecfprotonscfthancfcarbon-
12.cfAnswer:c f C
Topic:c f Conceptcf2.2
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.2

13) Ancfatomcfhascf6cfelectronscfincfitscfoutercfshell.cfHowcfmanycfunpairedcfelectronscfdoescfitcfhave?
A) 0
B) 2
C) 4
D) 6
E) 2cforcf4cf
Answer:c f B
Topic:c f Conceptcf2.2
Skill:c f Knowledge/Comprehensioncf
LearningcfOutcome:c f 2.2




4
Copyrightcf©cf2016cfPearsoncfEducation,cfInc
.
mynursytest.store