The chemists, under the presupposition that the qualitative division of matter is not, like quantitative division, an endless process, are always trying to decrease the number of the elements, of which there are still about sixty;
Kimikariak, materiaren banaketa kualitatiboa kuantitatiboa bezala infinituraino joango ez den supostupean, oinarri-gaien kopurua, orain 60 ingurukoa dena, gero eta urriagotzen ari dira: