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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-8 atom
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Accession:CHEBI:37004 term browser browse the term
Definition:The radioactive isotope of helium with relative atomic mass 8.03392 and half-life of 119.0 ms.
Synonyms:related_synonym: (8)2He;   (8)He;   Formula=[8He];   InChI=1S/He/i1+4;   InChIKey=SWQJXJOGLNCZEY-RNFDNDRNSA-N;   SMILES=[8He];   helium-8


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Path 1
Term Annotations click to browse term
  CHEBI ontology 19867
    chemical entity 19865
      atom 19865
        s-block element atom 19638
          helium atom 0
            helium-8 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19867
    subatomic particle 19865
      composite particle 19865
        hadron 19865
          baryon 19865
            nucleon 19865
              atomic nucleus 19865
                atom 19865
                  main group element atom 19803
                    main group molecular entity 19803
                      gas molecular entity 18468
                        noble gas atom 46
                          helium atom 0
                            helium-8 atom 0
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