chem 141 F07 Chapter 7 Study Sheet

chem 141 F07 Chapter 7 Study Sheet - Please refer to the...

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Please refer to the “General Study Sheet” Post for information regarding the exams CHAPTER 7 QUANTUM THEORY AND ATOMIC STRUCTURE INTRODUCTION In earlier chapters we learned that an atom is made up of a nucleus containing protons and neutrons with the electrons moving about at some distance from it (Rutherford’s model). This description, although essentially correct, does not provide a detailed explanation of atomic properties. It turns out that individual atoms do not behave like anything we know in the macroscopic world. Scientists’ recognition of this fact (though experiments such as black-body radiation and the photoelectric effect) led to the development of more refined models of the atom (first the Bohr model then the quantum mechanical model). Quantum theory allows us to predict and understand the critical role that electrons play in chemistry. In one sense, studying atoms amounts to asking the following questions: 1) how many electrons are present in a particular atom, 2) what
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chem 141 F07 Chapter 7 Study Sheet - Please refer to the...

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