Submit Data |  Help |  Video Tutorials |  News |  Publications |  FTP Download |  REST API |  Citing RGD |  Contact   

CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/by/3.0/). For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:chalcogen
go back to main search page
Accession:CHEBI:33303 term browser browse the term
Definition:Any p-block element belonging to the group 16 family of the periodic table.
Synonyms:exact_synonym: chalcogens
 related_synonym: Chalkogen;   Chalkogene;   anfigeno;   anfigenos;   calcogeno;   calcogenos;   chalcogene;   chalcogenes;   group 16 elements;   group VI elements
 xref: PMID:17084588


show annotations for term's descendants           Sort by:
 





Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19792
    chemical entity 19791
      atom 19788
        main group element atom 19675
          p-block element atom 19675
            chalcogen 19382
              chalcogen molecular entity + 19382
              oxygen atom + 19343
              polonium atom + 0
              selenium atom + 3126
              sulfur atom + 16275
              tellurium atom + 5
Path 2
Term Annotations click to browse term
  CHEBI ontology 19792
    subatomic particle 19788
      composite particle 19788
        hadron 19788
          baryon 19788
            nucleon 19788
              atomic nucleus 19788
                atom 19788
                  main group element atom 19675
                    p-block element atom 19675
                      chalcogen 19382
                        chalcogen molecular entity + 19382
                        oxygen atom + 19343
                        polonium atom + 0
                        selenium atom + 3126
                        sulfur atom + 16275
                        tellurium atom + 5
paths to the root

NHLBI Logo

RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.