Assertion: metal's atom | /r/HasProperty | produced
Facets:
value: commercially
type: MANNER
Source sentences:
text: Some are so rare only a few atoms have ever been produced, plus they are highly radioactive, so they often vanish an instant after creation.
text: Only a few atoms of francium have been produced commercially, so if you wanted to produce 100 grams of francium, you could expect to pay a few billion U.S. dollars for it.
text: The first atoms of lawrencium were produced by bombarding a three-milligram target consisting of three isotopes of the element californium with