Assertion: astatine | /r/HasProperty | reactive
Facets:
value: as a halogen
type: MANNER
Source sentences:
text: Although it is reactive, it shares similar chemical qualities with iodine.
text: In other words, fluorine is the most reactive of the halogens while astatine is the lease reactive.
text: Astatine is reactive as a halogen; some compounds are HAt, NaAt, MgAt2, CAt4, AtBr, AtI, etc.