Assertion: hydrocarbon | /r/HasProperty | molecule
Facets:
Source sentences:
text: Hydrocarbon is a molecule made from hydrogen and carbon atoms.
text: A hydrocarbon is a molecule whose structure includes only hydrogen and carbon atoms.
text: Hydrocarbons are molecules that contain hydrogen and carbon and come in various lengths and structures, from straight chains to branching chains to rings.
text: They're based on hydrocarbons (molecules built from hydrogen and carbon atoms) that we get mostly from things like petroleum, natural gas, or coal.