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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
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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



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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 22276
    chemical entity 22275
      atom 22271
        s-block element atom 21747
          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 22276
    subatomic particle 22271
      composite particle 22271
        hadron 22271
          baryon 22271
            nucleon 22271
              atomic nucleus 22271
                atom 22271
                  main group element atom 22150
                    main group molecular entity 22150
                      gas molecular entity 19946
                        noble gas atom 52
                          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