matter of constant composition best characterized by the entities (molecules, formula units, atoms) it is composed of
|Instance of||ChEBI Ontology term,
group of chemical substances,
This category has the following 16 subcategories, out of 16 total.
- ► Chemical structures by substance (4 C, 1 F)
- ► Household chemicals (4 C, 4 F)
- ► Ions (15 C, 1 P, 57 F)
- ► Radicals (16 C, 118 F)