Assertion: astatine | /r/AtLocation | the list of metalloids
Facets:
value: along with boron
type: OTHER
value: sometimes
type: TEMPORAL
Source sentences:
text: Along with boron, arsenic, antimony, silicon, germanium, tellurium, astatine is sometimes included in the list of metalloids though its properties have not been studied in detail owing to its short half-life.