Assertion: metallic osmium | /r/HasProperty | reacts
Facets:
value: at room temperature
type: OTHER
value: with oxygen
type: OTHER
Source sentences:
text: Metallic osmium is harmless but finely divided metallic osmium is pyrophoric and reacts with oxygen at room temperature, forming volatile osmium tetroxide.
text: Metallic osmium is harmless but finely divided metallic osmium is pyrophoric and reacts with oxygen at room temperature, forming volatile osmium tetroxide.