Assertion: hydrogen | /r/HasProperty | nonmetal
Facets:
value: in brief explanation
type: OTHER
value: usually
type: DEGREE
Source sentences:
text: Although hydrogen is usually a nonmetal, it becomes a liquid metal when enormous pressures are applied to it.
text: In brief explanation, Hydrogen is a nonmetal and is placed above group in the periodic table because it has ns1 electron configuration like the alkali metals.