Luís Arturo Ramírez Urizarri; Carlos Ortigoza Garcell; Enrique Nelson Pacheco Fonseca
Description:
This work is part of a mastership thesis on the Didactic of Chemistry. Here it is offered the first approximation which will constitute the invariant of knowledge of the discipline Chemistry-Physic for the measurement as bachelor in education in the specialty of Chemistry; with this invariant, that knowledge is meaningful for the importance of the teachers to be professional work.