Assertion: californium | /r/HasProperty | artificial element
Facets:
Source sentences:
text: Californium ( 98 Cf) is an artificial element, and thus a standard atomic weight cannot be given.
text: Californium ( 98 Cf) is an artificial element, and thus a standard atomic weight cannot be given.
text: Californium is an artificial element, used in research laboratories or in some instruments and other applications.
text: Californium is an artificial element and is difficult to prepare and to separe this element.
text: Californium is an artificial element, used in research laboratories or in some instruments and other applications.