Test Bank - Essentials of Biology 7th Edition by Sylvia Mader and Michael Windelspecht All Chapters 1-32 Complete Guide A+

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Chapter 02: Test Bank
g g g


Student:g

1. Whichgofgthegfollowinggisgnotgonegofgthegmostgcommongelementsginglivinggthings?

A. oxygen
B. carbon
C. calcium
D. iron
E. nitrogen

2. Whichgonegofgthegfollowinggisgthegsmallestgunitgofgmattergthatghasgallgthegpropertiesgofgangelement?

A. molecule
B. proton
C. atom
D. compound
E. electron

3. Elementsgdiffergfromgeachgothergingtheir

A. physicalgpropertiesgonly.
B. atomicgnumbergonly.
C. typegofgsubatomicgparticles.
D. physicalgpropertiesgandgatomicgnumber.
E. typegofgelectrons.

4. Regardinggatoms,gidentifygwhichgstatementgbelowgisgcorrect.

A. Angelementgmaygbegcomposedgofgseveralgtypesgofgatoms.
B. Thegnucleusgofgangatomgcontainsgprotonsgandgelectrons.
C. Thegnumbergandgarrangementgofgelectronsgingangatomggovernsgitsgchemicalgactivity.
D. Thegpositivegchargesgofgangelementgaregcarriedgbygthegelectrons.
E. Thegneutralgchargesgofgangelementgaregcarriedgbygthegprotons.

5. Isotopesgofgangelementgdiffergingtheir

A. protongnumber.
B. electrongnumber.
C. neutrongnumber.
D. typegofgbonds.
E. atomicgnumber.

6. Angatom'sgvalencegelectrongshell

A. isgfilledgwhengitghasgthreegelectrons.
B. determinesgitsgchemicalgreactivity.
C. determinesgitsgatomicgmass.
D. isgfilledgwithgpositivelygchargedgparticles.
E. isgfilledgidenticallygforgeverygelement.

7. Angatomgthatghasgangelectricalgchargegisgcalledga(n)

A. ion.
B. molecule.
C. isotope.
D. element.
E. proton.

8. Agcovalentgbondgoccursgwhen

A. protonsgaregtransferredgfromgonegatomgtoganother.



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B. neutronsgaregsharedgbetweengtwogatomsgtogformgangisotope.
C. electronsgaregsharedgbetweengtwogatomsgtogcompletegtheirgoctets.
D. theghydrogengofgonegwatergmoleculegisgattractedgtogthegoxygengofganothergwatergmolecule.
E. electronsgaregtransferredgfromgonegatomgtoganother.

9. Thegtypegofgbondgthatgwouldgformgfromgthegtransfergofgangelectrongfromgonegatomgtoganother,gshowngbelow,gisga(n)
bond.




A. covalent
B. ionic
C. hydrogen
D. atomic
E. isotopic

10. Whichgofgthesegdoesgnotgoccurgwhengagsodiumgatomgtransfersgangelectrongtogagchlorinegatom?

A. Thegsodiumgatomgbecomesgagpositivelygchargedgion.
B. Thegpositivegandgnegativegionsgwillgattractgeachgother,gforminggagcrystalgifgnogwatergisgpresent.
C. Thegionsgwillgseparategingthegpresencegofgwater.
D. Theregisgagmutualgsharinggofgthegelectronsgbetweengthegsodiumgandgchlorinegatoms.
E. Thegchlorinegatomgbecomesgagnegativelygchargedgion.

11. Whichgofgthegfollowinggisgnotgagcompound?

A. H2O
B. O-g 2-
C. NaCl
D. CO2
E. MgCl2

12. Glucose,gC6H12O6,gisgbestgdescribedgasga(n)

A. element.
B. isotope.
C. compound.
D. ion.
E. atom.




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13. Agwatergmolecule,gasgshownghere,gisgpolargbecausegof




A. thegtransfergofgelectrons.
B. unequalgsharinggofgelectrons.
C. itsgabilitygtogfreeze.
D. itsghydrogengbonds.
E. thegnegativegchargegofgthegmolecule.

14. Thegfiguregbelowgisgdepictinggtheginteractiongofgwatergmoleculesgwithgoneganother,gwhichginvolvesgthegusegof




A. covalentgbonds.
B. hydrogengbonds.
C. ionicgbonds.
D. postivegandgnegativegions.
E. nogchemicalgbonding.

15. Whichgofgthegfollowinggisgnotgagpropertygofgwater?

A. Itgisgaggoodgsolvent.
B. Itgisgdensergwhengfrozengthangwhengliquid.
C. Itgisgcohesive.
D. Itgresistsgtemperaturegchanges.
E. Itgcangbegfoundgasgagsolid,gliquid,gorggas.

16. Basesgcan




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