Química.

http://www.eis.uva.es/~qgintro/nomen/nomen.html
https://www.google.es/search?rlz=1C1ASAC_enES555ES555&hl=es&site=imghp&tbm=isch&source=hp&biw=1024&bih=634&q=formulacion+inorganica&oq=formulacion+inorganica&gs_l=img.3..0l4j0i24l6.1408.5751.0.6976.22.9.0.13.13.0.167.1003.2j7.9.0....0...1ac.1.29.img..2.20.751.kfXjt2sYC34  http://www.latizavirtual.org/quimica/quim_ino.html