Conceiving an experimental discipline: a contribution to general chemistry

[摘要] The purpose of this paper is to present a classification criterion for general chemistry experiments departing from a survey of 35 years of the experimental general chemistry discipline at the Chemistry Institute - UNICAMP. It is shown that by considering the most remarkable characteristics of an experiment and classifying it under Conceptual, Fundamental, Methodological or Quantitative criterion, teachers could better develop the discipline plan and prevent a subject superposition. Taking into account the system Fe3+/SCN - , the article also exemplify how is possible to modify an experimental approach and to conceive other procedures with different didactic purposes.

[学科分类] 化学（综合）

[关键词] General Chemistry;experiments;classification.