@prefix kfp: <http://data.loterre.fr/ark:/67375/KFP> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix obo: <http://purl.obolibrary.org/obo/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

kfp:-RQZD3Z43-R
  owl:sameAs obo:CHEBI_29108 ;
  a skos:Concept ;
  skos:hiddenLabel "CALCIUM ION"@en, "Ca(2+)"@en, "Ca2+"@en, "calcium, doubly charged positive ion"@en ;
  skos:broader kfp:-DQC49VNN-6, kfp:-L1LJVLFK-3, kfp:-XJL14H1N-5 ;
  skos:altLabel "calcium(2+) ion"@en, "calcium(II) cation"@en ;
  skos:prefLabel "calcium(2+)"@en ;
  skos:inScheme kfp: .

kfp:-DQC49VNN-6
  skos:prefLabel "calcium cation"@en ;
  a skos:Concept ;
  skos:narrower kfp:-RQZD3Z43-R .

kfp: a skos:ConceptScheme .
kfp:-XJL14H1N-5
  skos:prefLabel "divalent metal cation"@en ;
  a skos:Concept ;
  skos:narrower kfp:-RQZD3Z43-R .

kfp:-
  a isothes:ConceptGroup ;
  skos:prefLabel "3_STAR"@en ;
  skos:member kfp:-RQZD3Z43-R .

kfp:-L1LJVLFK-3
  skos:prefLabel "monoatomic dication"@en ;
  a skos:Concept ;
  skos:narrower kfp:-RQZD3Z43-R .