Assertion: fluorine | /r/HasProperty | the lightest halogen
Facets:
value: on earth
type: LOCATION
Source sentences:
text: It is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions.
text: It is the lightest known halogen on Earth.
text: It is the lightest halogen.
text: It is the lightest halogen.
text: Fluorine is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions.
text: It is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions.