Assertion: hydrogen fluoride's fluorine | /r/AtLocation | small amount
Facets:
value: in air
type: LOCATION
value: in plants
type: LOCATION
value: in the water
type: LOCATION
value: in animals
type: OTHER
Source sentences:
text: Fluorine (F-) is a chemically reactive electronegative univalent gaseous halogen found in small amount in the water, air, plants and animals.