Assertion: cerium | /r/HasProperty | abundant
Facets:
value: as copper
type: OTHER
value: as lead
type: MANNER
Source sentences:
text: Cerium is about as abundant as copper and nearly three times as abundant as lead in the igneous rocks of Earth’s crust.
text: Lanthanum and cerium are as abundant as copper and lead, and are used in such pedestrian applications as pool cleaner and cigarette-lighter flints.