Los símbolos y la representación de la evolución en los conocimientos químicos

Resum

The symbols are primarily a creation of human unconcious, and even now they belong to our cerebral background. The concrete symbols have served to represent the changing mentality about the chemical knowledge. There is a repeted use of determined geometrical figures, especialy triangles and circles. This article rewiews the development of chemical symbolism, its changing role, from the ancient civilization to the modern notational systems.