Assertion: cerium | /r/HasProperty | recognized in the oxide
Facets:
value: by j. j. berzelius
type: OTHER
value: by wilhelm hisinger
type: OTHER
Source sentences:
text: Cerium was recognized in 1803 in the oxide (ceria) as a new metal by M. H. Klaproth and by J. J. Berzelius and Wilhelm Hisinger; it was named for the asteroid Ceres, which had been discovered only two years earlier.
text: Cerium was recognized in 1803 in the oxide (ceria) as a new metal by M. H. Klaproth and by J. J. Berzelius and Wilhelm Hisinger; it was named for the asteroid Ceres, which had been discovered only two years earlier.