Assertion: copper sulfate | /r/HasProperty | oxygen
Facets:
Source sentences:
text: Copper sulfate is an ionic compound composed of copper, sulfur, and oxygen.
text: Copper sulfate, also known as blue vitriol, Salzburg vitriol, Roman vitriol, blue copperas, or bluestone, is a chemical compound comprised of Copper, Sulphur and Oxygen whose formula is CuSO4.