Assertion: berkelium | /r/HasProperty | discovered in december
Facets:
value: by ghiorso
type: OTHER
value: by others
type: OTHER
value: at berkeley
type: LOCATION
value: at california
type: LOCATION
value: at californi
type: LOCATION
value: as a product
type: MANNER
value: by american chemists stanley g. thompson
type: OTHER
Source sentences:
text: It is named after the city of Berkeley, California, the location of the Lawrence Berkeley National Laboratory (then the University of California Radiation Laboratory) where it was discovered in December 1949.
text: Not occurring in nature, berkelium (as the isotope berkelium-243) was discovered in December 1949 by American chemists Stanley G. Thompson, Albert Ghiorso, and Glenn T. Seaborg at the University of California, Berkeley, as a product resulting from the helium-ion (alpha-particle) bombardment of americium-241 (atomic number 95) in a 152-cm (60-inch) cyclotron.
text: It is named after the city of Berkeley, California, the location of the University of California Radiation Laboratory where it was discovered in December 1949.
text: Berkelium was discovered in December 1949 at Berkeley, Californi, USA, by Ghiorso and others by cyclotron bombardment of milligram amounts of americium with helium ions.
text: It is named after the city of Berkeley, California, the location of the University of California Radiation Laboratory where it was discovered in December 1949.
text: It is named after the city of Berkeley, California, the location of the Lawrence Berkeley National Laboratory (then the University of California Radiation Laboratory) where it was discovered in December 1949.
text: It is named after the city of Berkeley, California, the location of the University of California Radiation Laboratory where it was discovered in December 1949.
text: Berkelium was discovered in December 1949 at Berkeley, California, USA, by Ghiorso and others by cyclotron bombardment of milligram amounts of americium with helium ions.