Assertion: polonium | /r/AtLocation | uranium ores
Facets:
value: naturally
type: MANNER
Source sentences:
text: It is found in Uranium ores at about 100 micrograms per metric ton (1 part in 1010), which is approximately 0.2% of the abundance of radium.
text: Polonium is a metal found in uranium ore whose isotope polonium-210 is highly radioactive, emitting tiny positively charged alpha particles.
text: Polonium can be found in uranium ores at about 0.1 mg per metric ton (1 part in 1010), which is approximately 0.2% of the abundance of radium.
text: Although it is found in uranium ores, it's not economical to extract as there are only around 100 micrograms of polonium in 1 ton (0.9 metric tons) of uranium ore, according to the Jefferson Lab.
text: it is found in uranium ores, but none extract it form these ores.
text: It is found in uranium ores in minute quantities.
text: Polonium is an extremely rare element found in uranium ores (about 0.1 gram per ton).
text: 210Po, 214Po, and 218Po appear in the decay chain of 238U; thus polonium can be found in uranium ores at about 0.1 mg per metric ton (1 part in 1010), which is approximately 0.2% of the abundance of radium.
text: Polonium, also known as Radium F, is a rare but naturally occurring metalloid found in uranium ores that emits highly-hazardous positively-charged particles.
text: Polonium is an extremely rare element found in uranium ores (about 0.1 gram per ton).
text: Polonium is an extremely rare element found in uranium ores (about 0.1 gram per ton).
text: A very rare element in nature (found in Earth's crust only in very small amounts that are not harmful) because of the very short half-life of all its isotopes, polonium is found in uranium ores at about 100 micrograms per metric ton (1 part in 1010).
text: Polonium is an extremely rare element found in uranium ores (about 0.1 gram per ton).
text: It is found in uranium ores at about 100 micrograms per metric ton (1 part in 1010), which is approximately 0.2% of the abundance of radium.
text: it is found in uranium ores, but none extract it form these ores.
text: 210Po, 214Po, and 218Po appear in the decay chain of 238U; thus polonium can be found in uranium ores at about 0.1 mg per metric ton (1 part in 1010), which is approximately 0.2% of the abundance of radium.
text: It is found in uranium ores at about 100 micrograms per metric ton (1 part in 1010), which is approximately 0.2% of the abundance of radium.
text: Polonium is a very rare and radioactive element which is found naturally in uranium ore.