Assertion: polonium | /r/HasAspect | 42 isotopes
Facets:
value: with between 186 and 227 nucleons
type: OTHER
Source sentences:
text: Polonium ( 84 Po) has 42 isotopes, all of which are radioactive, with between 186 and 227 nucleons.
text: Polonium ( 84 Po) has 42 isotopes, all of which are radioactive, with between 186 and 227 nucleons.