Assertion: nickel | /r/HasProperty | stable
Facets:
value: in combination with iron
type: OTHER
value: extremely
type: DEGREE
Source sentences:
text: In combination with iron, nickel is extremely stable, which explains both its occurrence in iron-containing ores and its effective use in combination with iron to make stainless steel.
text: It is a stable metal, unaffected by air and water but it dissolves in acids.