<http://purl.obolibrary.org/obo/CHEBI_5631> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Class> . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/CHEBI_33521> . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://www.w3.org/2004/02/skos/core#notation> "CHEBI:5631" . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://data.bioontology.org/metadata/def/mappingSameURI> <http://purl.obolibrary.org/obo/CHEBI_5631> . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://data.bioontology.org/metadata/def/mappingLoom> "heavymetal" . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://data.bioontology.org/metadata/def/prefLabel> "heavy metal" . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://purl.obolibrary.org/obo/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)." . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://www.geneontology.org/formats/oboInOwl#hasOBONamespace> "chebi_ontology" . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://www.geneontology.org/formats/oboInOwl#hasDbXref> "Wikipedia:Heavy_metals" . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://www.w3.org/2000/01/rdf-schema#label> "heavy metal" . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://www.geneontology.org/formats/oboInOwl#id> "CHEBI:5631" . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://www.geneontology.org/formats/oboInOwl#hasRelatedSynonym> "heavy metals" . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://www.geneontology.org/formats/oboInOwl#inSubset> <http://purl.obolibrary.org/obo/chebi#3_STAR> . <http://purl.obolibrary.org/obo/CHEBI_5631> <http://data.bioontology.org/metadata/def/mappingSameURI> <http://purl.obolibrary.org/obo/CHEBI_5631> . <http://purl.obolibrary.org/obo/ECTO_9002163> <http://purl.obolibrary.org/obo/RO_0002309> <http://purl.obolibrary.org/obo/CHEBI_5631> .