Assertion: polonium | /r/HasProperty | obtained
Facets:
value: by irradiating bismuth
type: MANNER
value: usually
type: DEGREE
value: by bombarding bismuth-209
type: MANNER
Source sentences:
text: Polonium is now usually obtained by irradiating bismuth with high-energy neutrons or protons.
text: Instead, polonium is obtained by bombarding bismuth-209 (a stable isotope) with neutrons in a nuclear reactor.
text: It can be obtained by bombarding natural bismuth, 209Bi , with neutrons to give 210Bi, which then decays to 210Po via β decay.
text: Polonium is now obtained by irradiating bismuth with high-energy neutrons or protons.
text: Polonium is now usually obtained by irradiating bismuth with high-energy neutrons or protons.
text: Now polonium is not extracted from ores; it is obtained using this reaction: