Assertion: metal's compound | /r/HasProperty | stable
Facets:
value: chemically
type: MANNER
value: to air
type: TRANSITIVE-OBJECT
value: to water
type: TRANSITIVE-OBJECT
value: relatively
type: DEGREE
value: at room temperature
type: OTHER
value: at 150–170 °c
type: OTHER
value: spontaneously
type: MANNER
Source sentences:
text: This red brown compound is stable at room temperature but decomposes spontaneously at 150–170 °C.
text: These compounds are relatively stable: tetraethyllead only starts to decompose if heated or if exposed to sunlight or ultraviolet light.[k]
text: Most organotin compounds are colorless liquids or solids that are stable to air and water.
text: Because the Si–C bond is close in strength to the C–C bond, organosilicon compounds tend to be markedly thermally and chemically stable.
text: This was later verified in AcH 8 and LaH 10 with Tc approaching 270K  leading to speculation that other compounds may even be stable at mere MPa pressures with room temperature superconductivity.