Assertion: polonium | /r/HasProperty | produced
Facets:
value: by bombarding a bismuth isotope
type: MANNER
value: by bombarding bismuth
type: MANNER
value: by bombarding 209 bi
type: MANNER
value: in minute quantities
type: OTHER
value: due to its scarcity
type: CAUSE
value: usually
type: DEGREE
Source sentences:
text: Due to its scarcity, polonium is usually produced by bombarding bismuth-209 with neutrons in a nuclear reactor.
text: Poloniums can be manufactured by bombarding certain isotopes with neutrons
text: Polonium is produced by bombarding a bismuth isotope with alpha particles.
text: It can be produced by bombarding a bismuth isotope with alpha particles; polonium produced through this practice is also used in nuclear reactors.
text: Most polonium is now produced by bombarding bismuth with neutrons or protons.
text: Polonium can also be produced by bombarding 209 Bi with neutrons to form 210 Bi, which in turn decays into 210 Po.
text: It is produced when naturally occurring uranuium-238 decays and is distributed into the crust of the Earth in small amounts.
text: Polonium and astatine are produced in minute quantities by irradiating bismuth.