unit 2 atomic structure and nuclear chemistry：单元2原子结构和核化学

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1、Unit2A:AtomicStructureandNuclearChemistryUnitIntroductionInthisunitstudentswilldescribethedevelopmentoftheatomicmodelandthestructureoftheatom.Theywillexplainhownuclearchangesimpactthepartsoftheatomanditsidentity.Studentswillidentifyhownuclearchemistryisusedintoday’ssocietyandhowitcanim

2、pacttheirlives.Expectedlearningoutcomes:1.Developatomictheoryinanhistoricalperspectivecomparingandcontrastingdifferentmodels.2.Describethediscoveryofthepartsoftheatom.3.Knowatomicstructureintermsofprotons,neutrons,andelectrons4.Defineanduseconceptsofatomicnumber,massnumber,andisotopes.

3、5.Developtheconceptofatomicmass.6.Describethenuclearchangesthatreleaseenergy.7.Usetheconceptsofhalflifetopredicttheresultsofnucleardecay.8.Knownaturalandman-madeoccurrencesoffissionandfusion,includingmedical,industrialandmilitaryapplications.9.Usethescientificconceptsinvolvedinnuclearp

4、owergenerationtomakedecisionsaboutcurrentsocietalissues.Essentialvocabulary:AtomProtonNeutronElectronIsotopeNucleardecayFissionFusionRadioisotopeHalf-lifeSequenceofinstruction:AtomicStructure·Dalton’satomictheory·Structureoftheatom·Atomicmodels·Isotopes·IonsNuclearradiationandtransform

5、ations·Releaseofenergybyunstablenuclei·Typesofnuclearradiation·Half-life·Fissionandfusion·Nuclearchainreaction·Detectiondevices·Useofradioisotopesinmedicine·NuclearenergyReadingforInformation:ChemMatters,Oct.2000:TheBirthoftheElementsChemMatters,April2000:Radioactivity:It’saNaturalSugg

6、estedactivities:ElementResearchPaperBeaniumLabNuclearEnergyDebateHalf-lifelab(http://www.sciencegeek.net/Chemistry/chempdfs/Halflife.pdf)Resources:UnitedStreamingVideoandActivities:ElementsofChemistry:Atoms:TheBuildingBlocksofMatterUnitedStreamingVideoandActivities:MatterandEnergy:Ener

7、gyfromtheAtom:NuclearPowerHownuclearpowerworks-http://www.nrc.gov/reactors.htmlThreeMileIsland-http://www.world-nuclear.org/info/inf36.htmlUnit2B:ElectronConfigurationandthePeriodicTableUnitIntroductionInthisunitstudentswilldescribehowthearrangementofelementsintheperiodictableandthei