Assertion: metal's oxide | /r/HasProperty | molecule
Facets:
Source sentences:
text: Although most metal oxides are polymeric, some oxides are molecules.
text: All simple oxides of nitrogen are molecular, e.g., NO, N 2 O, NO 2 and N 2
text: An oxide ( ) is a chemical compound that contains at least one oxygen atom and one other element in its chemical formula.