 Using Mendeleev 's nomenclature for unnamed and undiscovered elements , flerovium is sometimes called eka @-@ lead . In 1979 , IUPAC published recommendations according to which the element was to be called <unk> ( with the corresponding symbol of <unk> ) , a systematic element name as a placeholder , until the discovery of the element is confirmed and a permanent name is decided on . Some scientists in the field called it " element 114 " , with the symbol of ( 114 ) or 114 . 
