Assertion: nitrogen | /r/CapableOf | combine with lithium
Facets:
value: to form nitrides
type: PURPOSE
value: under moderately high temperatures
type: TEMPORAL
value: directly
type: MANNER
Source sentences:
text: When nitrogen is heated, it combines directly with magnesium, lithium, or calcium.
text: About 1909 the German chemist Fritz Haber ascertained that nitrogen from the air could be combined with hydrogen under extremely high pressures and moderately high temperatures in the presence of an active catalyst to yield an extremely high proportion of ammonia, which is the starting point for the production of a wide range of nitrogen compounds.
text: When nitrogen is combined with the hydrogen it forms ammonia and with sulfur it form nitrogen sulfide.
text: Nitrogen compounds are formed naturally through the biological activity, they are also formed at a high temperature or at a moderate temperature with the aid of catalysts, it will combine with active metals such as lithium, magnesium, and titanium to form nitrides at high temperatures.