 Using Mendeleev 's nomenclature for unnamed and undiscovered elements , livermorium is sometimes called eka @-@ polonium . In 1979 IUPAC recommended that the placeholder systematic element name ununhexium ( with the corresponding symbol of Uuh ) be used until the discovery of the element was confirmed and a name was decided . Although widely used in the chemical community on all levels , from chemistry classrooms to advanced textbooks , the recommendations were mostly ignored among scientists in the field , who called it " element 116 " , with the symbol of ( 116 ) or even simply 116 . 
