Assertion: powdered osmium | /r/HasProperty | exposed to air
Facets:
Source sentences:
text: This toxic compound is formed when powdered osmium is exposed to air.
text: This toxic compound is formed when powdered osmium is exposed to air.
text: Powdered osmium is easier to make, but powdered osmium exposed to air leads to the formation of osmium tetroxide (OsO4), which is toxic.
text: This toxic compound is formed when powdered osmium is exposed to air.
text: This toxic compound is formed when powdered osmium is exposed to air, and is a very volatile, water-soluble, pale yellow, crystalline solid with a strong smell.
text: Powdered osmium is easier to make, but powdered osmium exposed to air leads to the formation of osmium tetroxide (OsO 4 ), which is toxic.