chemical substances
preferred label: مواد شیمیایی @fa
type: Concept
narrower: chemical elements and compounds

organic/inorganic compounds
preferred label: ترکیبات آلی/معدنی @fa
type: Concept
broader: chemical elements and compounds

elements
preferred label: عناصر @fa
type: Concept
broader: chemical elements and compounds

inorganic compounds
preferred label: ترکیبات معدنی @fa
type: Concept
broader: chemical elements and compounds

chemical elements and compounds
narrower: elements
narrower: inorganic compounds
narrower: organic/inorganic compounds
broader: chemical substances
preferred label: عناصر و ترکیبات شیمیایی @fa
type: Concept