How We Teach Molecular Structure to Freshmen

Document Type

Article

Publication Date

2002

Publication Title

Journal of Chemical Education

DOI

10.1021/ed079p763

ISSN

0021-9584

Abstract

Currently molecular structure is taught in general chemistry using three theories, this being based more on historical development rather than logical pedagogy. Electronegativity is taught with a confusing mixture of definitions that do not correspond to modern practice. Explaining bond type with electronegativity is also done poorly. Teaching of valence bond theory and molecular orbital theory should be left to upper-level classes where it will be used. Currently, valence bond theory and VSEPR are used together in a way that often confuses the students about the difference between the different theories.

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