Chemical elements
type: Concept
narrower: Isotopes
preferred label: Химические элементы @ru
preferred label: Elemento químico @es
preferred label: Élément chimique @fr

Isotopes
type: Concept
member of: Chemical sciences
broader: Chemical elements
is in scheme: UNESCO Thesaurus
narrower: Radioisotopes
preferred label: Изотопы @ru
preferred label: Isótopo @es
preferred label: Isotope @fr

Radioisotopes
type: Concept
broader: Isotopes
preferred label: Радиоизотопы @ru
preferred label: Radioisótopo @es
preferred label: Radioisotope @fr

Chemical sciences
type: ConceptGroup
label: Химические науки @ru
label: Sciences de la chimie @fr
label: Ciencias químicas @es
member: Isotopes
notation: 2.25

UNESCO Thesaurus
type: ConceptScheme
preferred label: Тезаурус ЮНЕСКО @ru
preferred label: Thésaurus de l'UNESCO @fr
preferred label: Tesauro de la UNESCO @es

Concept
type: Class

has broader
comment: Broader concepts are typically rendered as parents in a concept hierarchy (tree).
sub property of: Transitive
definition: Relates a concept to a concept that is more general in meaning.

is in scheme
definition: Relates a resource (for example a concept) to a concept scheme in which it is included.

has narrower
comment: Narrower concepts are typically rendered as children in a concept hierarchy (tree).
sub property of: Transitive
definition: Relates a concept to a concept that is more specific in meaning.

preferred label
comment: skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties.
comment: The range of skos:prefLabel is the class of RDF plain literals.
comment: A resource has no more than one value of skos:prefLabel per language tag.
sub property of: label
definition: The preferred lexical label for a resource, in a given language.