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Unit 2A: Atomic Structure and Nuclear ChemistryUnit IntroductionIn this unit students will describe the development of the atomic model and the structure of the atom. They will explain how nuclear changes impact the parts of the atom and its identity. Students will identify how nuclear chemistry is used in todays society and how it can impact their lives.Expected learning outcomes:1. Develop atomic theory in an historical perspective comparing and contrasting different models.2. Describe the discovery of the parts of the atom.3. Know atomic structure in terms of protons, neutrons, and electrons4. Define and use concepts of atomic number, mass number, and isotopes.5. Develop the concept of atomic mass.6. Describe the nuclear changes that release energy.7. Use the concepts of half life to predict the results of nuclear decay.8. Know natural and man-made occurrences of fission and fusion, including medical, industrial and military applications.9. Use the scientific concepts involved in nuclear power generation to make decisions about current societal issues.Essential vocabulary:AtomProtonNeutronElectronIsotopeNuclear decayFissionFusionRadioisotopeHalf-lifeSequence of instruction:Atomic Structure Daltons atomic theory Structure of the atom Atomic models Isotopes IonsNuclear radiation and transformations Release of energy by unstable nuclei Types of nuclear radiation Half-life Fission and fusion Nuclear chain reaction Detection devices Use of radioisotopes in medicine Nuclear energyReading for Information:ChemMatters, Oct. 2000: The Birth of the ElementsChemMatters, April 2000: Radioactivity: Its a NaturalSuggested activities:Element Research PaperBeanium LabNuclear Energy DebateHalf-life lab (/Chemistry/chempdfs/Halflife.pdf)Resources:United Streaming Video and Activities: Elements of Chemistry: Atoms: The Building Blocks of MatterUnited Streaming Video and Activities: Matter and Energy: Energy from the Atom: Nuclear PowerHow nuclear power works - /reactors.htmlThree Mile Island - /info/inf36.htmlUnit 2B: Electron Configuration and the Periodic TableUnit IntroductionIn this unit students will describe how the arrangement of elements in the periodic table and their electron configurations are related. They will describe how the location of an element in the periodic table can be used to predict the properties of that element.Expected learning outcomes:1. Determine electron configuration of elements based on 3 principles, orbital capacity and electron spin and identify valence electrons2. Describe the historical development of the organization of the Periodic Table and the modern periodic law. 3. Describe atomic properties such as atomic radius, ionization energy, oxidation number, and electron affinity using the periodic table and charts.4. Develop the concept of chemical activity as it relates to atomic structure.5. Know the trends in properties of the families and series on the Periodic Table.6. Describe the uses of some common elements.Essential vocabulary:Electron configurationAtomic orbitalPrincipal energy levelValence electronsKernelPeriodic lawIonization energyElectronegativityElectron affinitySequence of instruction:Radiant energyElectron configuration Quantum mechanics model Uncertainty Principle Atomic orbitals and principal energy levels Aufbau principle, Pauli exclusion principle and Hunds rule Valence electrons and kernelPeriodic Table Development of periodic table Periodic law Groups/Periods/Blocks Periodic trendsReading for Information:ChemMatters, Dec 2009: What are the chemical elements that are essential to life?Suggested activities:Flame test labPeriodic table trends labSignificant
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