Assertion: metal | /r/CapableOf | float on water
Facets:
Source sentences:
text: It was first applied in the early 19th century to metals that floated on water (sodium and potassium), and then more popularly to nonmetals.
text: Lithium can float on the lightest hydrocarbon oils and is one of only three metals that can float on water, the other two being sodium and potassium.