Francium hasn't practical uses.
Francium has no uses. There are currently no uses for francium outside of basic scientific research.
Francium has not practical uses; it was used for studies in spectroscopy and quantum chemistry.
Francium was named after France, the country it was dicovered in.
Francium is very radioactive and very difficult to obtain; heating of francium due to the decay leads to instantaneous vaporization of francium.
no known odor for francium
Francium has any uses.
Francium has any use.
Francium has not uses.
Francium has no uses. There are currently no uses for francium outside of basic scientific research.
Francium hasn't practical uses.
Francium has any uses.
Francium hasn't practical uses.
Francium is not an important chemical element.
Francium hasn't practical uses.
Francium (was) is used only for studies in research laboratories.
Francium has not now practical applications; francium is used only for scientific studies.
Francium has not practical uses; it was used for studies in spectroscopy and quantum chemistry.