| Label | Id | |
|---|---|---|
| noble gas atom | http://purl.obolibrary.org/obo/CHEBI_33309 | |
| carbon group element | http://purl.obolibrary.org/obo/CHEBI_33306 | |
| carbon group element atom | http://purl.obolibrary.org/obo/CHEBI_33306 | |
| group 15 elements | http://purl.obolibrary.org/obo/CHEBI_33300 | |
| group V elements | http://purl.obolibrary.org/obo/CHEBI_33300 | |
| group 16 elements | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| group VI elements | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| carbon group elements | http://purl.obolibrary.org/obo/CHEBI_33306 | |
| group 14 elements | http://purl.obolibrary.org/obo/CHEBI_33306 | |
| group IV elements | http://purl.obolibrary.org/obo/CHEBI_33306 | |
| group 18 elements | http://purl.obolibrary.org/obo/CHEBI_33309 | |
| group VIII elements | http://purl.obolibrary.org/obo/CHEBI_33309 | |
| pnictogen molecular entities | http://purl.obolibrary.org/obo/CHEBI_33302 | |
| chalcogen molecular entities | http://purl.obolibrary.org/obo/CHEBI_33304 | |
| tellurium molecular entities | http://purl.obolibrary.org/obo/CHEBI_33305 |