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Educación química
versión impresa ISSN 0187-893X
Resumen
CARDOSO MENDONCA, Paula Cristina y JUSTI, Rosária. Learning enhancement of electrostic model: analysis of a teaching process of ionic bonding based in modelling. Educ. quím [online]. 2009, vol.20, suppl.1, pp.282-294. ISSN 0187-893X.
A series of activities for the teaching of the ionic bond were elaborated based on two theoretical frameworks: modelling-based-teaching and the electrostatic model. In the activities, we tried to establish a relationship between the mechanism through which an ionic bond is formed with energetic issues concerning with the formation of the ionic lattice. In this paper, we present relevant aspects of the teaching strategy and comments about how the discussion of such aspects favoured students' learning about the ionic bonding. We also discuss recommendations about the teaching of chemical bonding at secondary and university levels.
Palabras llave : ionic bonding; electrostatic model; modelling-based teaching.