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Lewis Structure Skills: Taxonomy and Difficulty Levels.

Peer reviewed

Brady, Joseph A.; And Others – Journal of Chemical Education, 1990

Discussed is the performance of college students on the task of solving chemistry problems involving Lewis structures. Difficulty of the task and of individual problems is described. A taxonomy of skills associated with Lewis structures is presented. (CW)

Descriptors: Atomic Structure, Chemistry, College Science, Higher Education

The Choice of Names and Symbols for Quantities in Chemistry.

Peer reviewed

Mills, Ian M. – Journal of Chemical Education, 1989

Discussed are some of the issues which were considered when the International Union of Pure and Applied Chemistry revised its guide to notation in physical chemistry. Included are the choice between SI and non-SI units and choosing sensible names and symbols for quantities. (CW)

Descriptors: Atomic Structure, Chemical Nomenclature, Chemistry, Classification

Organic Reaction Mechanisms in the Sixth Form Part 3: Reactions of Electron Pair Acceptors with Compounds Containing Multiple Bonds.

Peer reviewed

Simpson, Peter – School Science Review, 1989

The ideas behind electrophilic addition to alkenes, and electrophilic substitution in benzene derivatives are discussed. Teaching these concepts to secondary school students is stressed. Five main points useful at this age level are summarized. (Author/CW)

Descriptors: Chemical Bonding, Chemical Reactions, Laboratory Procedures, Misconceptions

Atomic Term Symbols by Group Representation Methods.

Peer reviewed

Chen, Jyh-Horung – Journal of Chemical Education, 1989

Described is a method that can be used to obtain molecular or atomic term symbols. Several examples accompany an explanation of the method. (CW)

Descriptors: Atomic Structure, Chemical Nomenclature, Chemistry, College Science