Assertion: carnotite's radium | /r/HasProperty | discovered by pierre curie
Facets:
value: in 1898
type: TEMPORAL
value: in the form of radium chloride
type: OTHER
Source sentences:
text: Radium, in the form of radium chloride, was discovered by Marie and Pierre Curie in 1898.
text: Radium (Latin radius, ray) was discovered by Pierre Curie, Marie Curie, and an assistant, G. Bémont.