Assertion: hydrogen fluoride's fluorine | /r/HasProperty | unstable
Facets:
value: like all other elements
type: OTHER
value: by itself
type: MANNER
Source sentences:
text: Just like all other elements (which are also ions with either a negative charge, in which case they are called anions, or a positive charge, in which case, they’re called cations), fluorine is unstable by itself and does not appear alone.