15.Nucl_chem_Part_1_

15.Nucl_chem_Part_1_ - Chapter 15 Nuclear Chemistry Part 1...

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Periodic Table on the web http://periodic.lanl.gov/index.shtml Quiz 3 on redox: Tuesday March 29, after lecture ------ Chapter 15 Nuclear Chemistry Part 1
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Each atom contains A nucleus o Protons (p) and neutrons (n) Electrons (e) o The electrons are localized in orbitals in specific regions outside the nucleus Chapter 14 focused on how electrons participate in chemical reactions Chapter 15 focuses on nuclear chemistry: reactions that could take place within the nucleus of an atom ---- Review of atomic structure
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Nuclear chemistry Properties of chemical elements that are radioactive Nuclear reactions 1. Nuclear decay o Emission of alpha ( α ) particles, beta ( β ) particles, and positrons 2. Gamma ray emission 3. Electron capture 1. Nuclear Fission o splitting of a heavy nucleus 5. Nuclear Fusion o combining light nuclei to form heavier nuclei 6. Chemical and biological effects of radioactive elements
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Applications of nuclear chemistry include: Use of radioisotopes in agricultural and medical research Geological and archeological dating Diagnostic tools for medicine o Imaging Use of radioactive sources for radiation therapy o (i.e. killing of cancerous cells by radiation) ----
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Examine the arrangement of elements in the periodic Table ----
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Arrangement of chemical elements in the periodic table The elements are arranged according to the number of
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15.Nucl_chem_Part_1_ - Chapter 15 Nuclear Chemistry Part 1...

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