Assertion: sulfur's form | /r/CapableOf | term ii
Facets:
Source sentences:
text: In a high-pressure study at ambient temperatures, four new solid forms, termed II, III, IV, V have been characterized, where α-sulfur is form I. Solid forms II and III are polymeric, while IV and V are metallic (and are superconductive below 10 K and 17 K, respectively).