Assertion: magnesium | /r/HasProperty | reactive
Facets:
value: highly
type: DEGREE
value: at high temperatures
type: TEMPORAL
value: with oxygen
type: OTHER
value: strongly
type: DEGREE
Source sentences:
text: Magnesium is strongly reactive with oxygen at high temperatures; above 645 °C (1,190 °F) in dry air, it burns with a bright white light and intense heat.
text: Magnesium is a reactive metal and will burn in air with a very hot, white light.
text: Magnesium is a highly reactive mineral, which means it most commonly exists in combination with another atom or molecule.
text: Magnesium is considered a free element, which means it is highly reactive.
text: Magnesium does not occur naturally as a free element, being extremely reactive.