Assertion: tellurium's compound | /r/HasProperty | gas
Facets:
value: at ordinary temperatures
type: TEMPORAL
Source sentences:
text: Tellurium forms only one compound with hydrogen, hydrogen telluride, H2Te, which is a gas at ordinary temperatures and resembles hydrogen sulphide in its ability to precipitate as tellurides many heavy metals from their solutions, although the conditions of such precipitation do not appear to have been fully investigated.