 With the advent of challenges to phlogiston theory it was recognized that antimony is an element forming sulfides , oxides , and other compounds , as is the case with other metals . 
 With the advent of challenges to phlogiston theory it was recognized that antimony is an element forming sulfides , oxides , and other compounds , as is the case with other metals . 
With da advent of challenges to phlogiston theory it was recognized dat antimony is an element forming sulfides , oxides , and other compounds , as is the case wit other metals .