This tutorial offers a conceptual and nonmathematical answer to a question rarely given explicit treatment in conventional textbooks, and often answered incorrectly by teachers in terms of classical mechanics. The explanation covers the application of quantum theory to the question, points out that a particle such as an electron cannot be treated as a classical particle having a definite position and velocity; discusses the balance between the electron's kinetic and potential energy; and points out the impossibility of determining simultaneously the precise location and momentum of an electron. The tutorial is part of a virtual textbook for a full-year General Chemistry course for advanced high school students or those beginning postsecondary programs.


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    Informal Education,Heisenberg uncertainty principle,Higher Education,NSDL,High School,Technical Education (Lower Division),Undergraduate (Lower Division),NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-111-912,electrons,Vocational/Professional Development Education,Quantum theory,Chemistry,Physics,General Public,oai:nsdl.org:2200/20120110185007903T



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