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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 26503
    chemical entity 26483
      atom 26479
        s-block element atom 25453
          helium atom 0
            helium-8 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 26503
    subatomic particle 26479
      composite particle 26479
        hadron 26479
          baryon 26479
            nucleon 26479
              atomic nucleus 26479
                atom 26479
                  main group element atom 26216
                    main group molecular entity 26216
                      gas molecular entity 20770
                        noble gas atom 90
                          helium atom 0
                            helium-8 atom 0
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