The International Union of Pure and Applied Chemistry (IUPAC) is an international non-governmental organization devoted to the advancement of chemistry. It has as its members national chemistry societies. It is the recognized authority in developing standards for the naming of chemical compounds, through its Interdivisional Committee on Nomenclature and Symbols. It is a member of the International Council for Science (ICSU).
... in the north, and a more open terrain of hills and (low) mountains to the south, home to most of Brazil's population and its agricultural base. Along the coast of the ...