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LO RA lectures 4 5 6

LO RA lectures 4 5 6 - energy per nucleon • The current...

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CHM 11500 Lectures 4, 5, 6 Reading Assignment: Sections 23.1-23.9, pp. 1060-1090. Learning Objectives: Understand these Concepts How nuclear changes differ in general, from chemical changes. The meanings of radioactivity, nucleon, nuclide, and isotope. Characteristics of three types of radio active emissions, a, B, and g The various forms of radioactive decay and how each changes the values of A and Z. How a decay series combines numerous decay steps and ends with a stable nuclide. Why radioactive decay is a first-order process; the meanings of decay rate and specific activity. The meaning of half-life in the context of radioactive decay. How radioisotopes are used in research, analysis and diagnosis. Why the mass of a nuclide is less than the sum of its nucleon’s masses (mass defect) and how this mass difference is related to the nuclear binding energy. How nuclear stability is related to binding energy per nucleon. How unstable nuclides undergo either fission or fusion to increase their binding
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Unformatted text preview: energy per nucleon. • The current application of fission and potential application of fusion to produce energy. Master These Skills • Expressing the mass and charge of a particle with A Z X notation • Using charges in the values of A and Z to write and balance nuclear equations. • Calculating specific activity, decay constant, half-life, and number of nuclei. • Estimating the age of an object from the specific activity and half-life of carbon-14. • Calculating the mass defect and its energy equivalent in J and eV. • Calculating the binding energy per nucleon and using it to compare stabilities of nuclides. • Calculate the energy released in a fusion or fission reaction. Additional Learning Objectives • Describe the similarities and differences between a nuclear power plant and a nuclear bomb. • Be familiar with medical applications of nuclear chemistry....
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