{"@context":{"obo_purl":"http://purl.obolibrary.org/obo/","rdf":"http://www.w3.org/1999/02/22-rdf-syntax-ns#","owl":"http://www.w3.org/2002/07/owl#","rdfs":"http://www.w3.org/2000/01/rdf-schema#","skos":"http://www.w3.org/2004/02/skos/core#","metadata_def":"http://data.bioontology.org/metadata/def/","oboinowl_gen":"http://www.geneontology.org/formats/oboInOwl#","ns0":"http://purl.obolibrary.org/obo/chebi#"},"@graph":[{"@id":"obo_purl:CHEBI_5631","@type":"owl:Class","rdfs:subClassOf":{"@id":"obo_purl:CHEBI_33521"},"skos:notation":"CHEBI:5631","metadata_def:mappingSameURI":{"@id":"obo_purl:CHEBI_5631"},"metadata_def:mappingLoom":"heavymetal","metadata_def:prefLabel":"heavy metal","obo_purl:IAO_0000115":"Any metal that is characterized by its rather high atomic mass and density. Although typically occurring in low concentrations, they can be found all throughout the Earth's crust (Commonly, a density of at least 5 g cm(3) is used to define a heavy metal and to differentiate it from other, ''light'' metals).","oboinowl_gen:hasOBONamespace":"chebi_ontology","oboinowl_gen:hasDbXref":"Wikipedia:Heavy_metals","rdfs:label":"heavy metal","oboinowl_gen:id":"CHEBI:5631","oboinowl_gen:hasRelatedSynonym":"heavy metals","oboinowl_gen:inSubset":{"@id":"ns0:3_STAR"}},{"@id":"obo_purl:ECTO_9002163","obo_purl:RO_0002309":{"@id":"obo_purl:CHEBI_5631"}}]}