Assertion: lr | /r/HasProperty | synthetic element
Facets:
value: with the symbol
type: OTHER
value: with atomic number
type: OTHER
Source sentences:
text: Lawrencium is a synthetic element and is highly radioactive and unstable element.
text: Lawrencium is a synthetic chemical element with the symbol Lr (formerly Lw) and atomic number 103.
text: Lawrencium is a synthetic "rare earth metal" which does not occur in the environment.
text: Lawrencium ( 103 Lr) is a synthetic element, and thus a standard atomic weight cannot be given.
text: Lawrencium is a synthetic element and is not found naturally.