 In even later experiments from 2012 at the GSI , the chemical properties of flerovium were revealed to be more metallic than noble @-@ gas @-@ like . Jens Volker Kratz and Christoph <unk> specifically named copernicium and flerovium as belonging to a new category of " volatile metals " ; Kratz even speculated that they might be gaseous at standard temperature and pressure . These " volatile metals " , as a category , were expected to fall between normal metals and noble gases in terms of adsorption properties . Contrary to the 2009 and 2010 results , it was shown in the 2012 experiments that the interactions of flerovium and copernicium respectively with gold were about equal . Further studies showed that flerovium was more reactive than copernicium , in contradiction to previous experiments and predictions . 
