MasteringBiology Chapter 2 Study
Module QUESTIONS WITH CORRECT
ANSWERS 2026
AYcovalentYbondY__________.Y-YCORRECTYANSWERSY-
isYtheYsharingYofYaYpairYofYvalenceYelectronsYbyYtwoYatoms
AYcovalentYbondYisYlikelyYtoYbeYpolarYifY__________.Y-YCORRECTYANSWERSY-
oneYofYtheYatomsYsharingYelectronsYisYmuchYmoreYelectronegative
HydrogenYbondsYoccurYwhenY__________.Y-YCORRECTYANSWERSY-
partialYoppositeYchargesYonYmoleculesYcomeYcloseYenoughYtoYattractYeachYother
InYaYprocessYcalledYradiometricYdating,YscientistsYmeasureYtheY__________YofYanYisotopeYtoYdeter
mineYtheYageYofYtheYEarth.Y-YCORRECTYANSWERSY-half-life
InYchemicalYreactions,YtheY__________YareYtheYstartingYmaterialsYthatYareYconvertedYintoYtheY___
_______.Y-YCORRECTYANSWERSY-reactants;Yproducts
InYionicYinteractions,Y__________.Y-YCORRECTYANSWERSY-
theYtransferYofYvalenceYelectronsYresultsYinYaYcompletedYvalenceYshellYforYeachYion
IonicYbondsYformYasYaYresultYofY__________.Y-YCORRECTYANSWERSY-
attractionYbetweenYionsYthatYhaveYoppositeYcharges
IsotopesYofYanYelementYwillYalwaysYdifferYinY__________.Y-YCORRECTYANSWERSY-atomicYmass
Module QUESTIONS WITH CORRECT
ANSWERS 2026
AYcovalentYbondY__________.Y-YCORRECTYANSWERSY-
isYtheYsharingYofYaYpairYofYvalenceYelectronsYbyYtwoYatoms
AYcovalentYbondYisYlikelyYtoYbeYpolarYifY__________.Y-YCORRECTYANSWERSY-
oneYofYtheYatomsYsharingYelectronsYisYmuchYmoreYelectronegative
HydrogenYbondsYoccurYwhenY__________.Y-YCORRECTYANSWERSY-
partialYoppositeYchargesYonYmoleculesYcomeYcloseYenoughYtoYattractYeachYother
InYaYprocessYcalledYradiometricYdating,YscientistsYmeasureYtheY__________YofYanYisotopeYtoYdeter
mineYtheYageYofYtheYEarth.Y-YCORRECTYANSWERSY-half-life
InYchemicalYreactions,YtheY__________YareYtheYstartingYmaterialsYthatYareYconvertedYintoYtheY___
_______.Y-YCORRECTYANSWERSY-reactants;Yproducts
InYionicYinteractions,Y__________.Y-YCORRECTYANSWERSY-
theYtransferYofYvalenceYelectronsYresultsYinYaYcompletedYvalenceYshellYforYeachYion
IonicYbondsYformYasYaYresultYofY__________.Y-YCORRECTYANSWERSY-
attractionYbetweenYionsYthatYhaveYoppositeYcharges
IsotopesYofYanYelementYwillYalwaysYdifferYinY__________.Y-YCORRECTYANSWERSY-atomicYmass