Assertion: thorium | /r/HasProperty | discovered by jöns jacob berzelius
Facets:
value: in 1828
type: TEMPORAL
value: in stockholm
type: LOCATION
Source sentences:
text: Thorium was discovered by Jöns Jacob Berzelius, a Swedish chemist, in 1828.
text: Thorium was discovered by Jöns Jacob Berzelius, a Swedish chemist, in 1828.
text: Thorium was discovered by Jöns Jacob Berzelius in 1828, in Stockholm, Sweden after he received a sample of an unusual black mineral from Hans Esmark found on an island close to Brevik, Norway.
text: Thorium was discovered by Jöns Jacob Berzelius in 1828.