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Tsaparlis, Georgios – Chemistry Education Research and Practice, 2014
Jensen's scheme for the logical structure of chemistry is taken as reference to study the logical structure of physical chemistry. The scheme distinguishes three dimensions (composition and structure, energy, and time), with each dimension treated at one of the three levels (molar, molecular, and electrical). Such a structure places the outer…
Descriptors: Chemistry, Textbooks, Science Instruction, Phenomenology
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Barradas-Solas, Francisco; Gomez, Pedro J. Sanchez – Chemistry Education Research and Practice, 2014
Students' understanding of the orbital concept has been subject to considerable research and debate and often found at variance with a quantum mechanical ideal. Could it be the case that orbitals as actually used by practising chemists in teaching and research also differ from that ideal? Our experience shows that this might often be the case.…
Descriptors: Scientific Concepts, Instructional Material Evaluation, Molecular Structure, Visual Aids