Send us a Message



Submit Data |  Help |  Video Tutorials |  News |  Publications |  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:helium atom
go back to main search page
Accession:CHEBI:30217 term browser browse the term
Definition:A s-block element atom that has formula He.
Synonyms:related_synonym: 2He;   Formula=He;   He;   InChI=1S/He;   InChIKey=SWQJXJOGLNCZEY-UHFFFAOYSA-N;   SMILES=[He];   helio;   helium
 xref: CAS:7440-59-7;   Drug_Central:4262;   Gmelin:16294;   WebElements:He



show annotations for term's descendants           Sort by:
 

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19800
    chemical entity 19800
      atom 19799
        s-block element atom 19479
          helium atom 0
            helium molecular entity + 0
            helium-3 atom 0
            helium-4 atom 0
            helium-6 atom 0
            helium-8 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19800
    subatomic particle 19799
      composite particle 19799
        hadron 19799
          baryon 19799
            nucleon 19799
              atomic nucleus 19799
                atom 19799
                  main group element atom 19698
                    main group molecular entity 19698
                      gas molecular entity 17919
                        noble gas atom 44
                          helium atom 0
                            helium molecular entity + 0
                            helium-3 atom 0
                            helium-4 atom 0
                            helium-6 atom 0
                            helium-8 atom 0
paths to the root