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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(2+)
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Accession:CHEBI:33316 term browser browse the term
Definition:A monoatomic helium that has formula He.
Synonyms:related_synonym: Formula=He;   He(2+);   InChI=1S/He/q+2;   InChIKey=LBDSXVIYZYSRII-UHFFFAOYSA-N;   SMILES=[He++]


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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 0
    chemical entity 0
      molecular entity 0
        elemental molecular entity 0
          monoatomic entity 0
            monoatomic helium 0
              helium(2+) 0
                alpha-particle + 0
                helion + 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 0
    subatomic particle 0
      composite particle 0
        hadron 0
          baryon 0
            nucleon 0
              atomic nucleus 0
                atom 0
                  main group element atom 0
                    main group molecular entity 0
                      gas molecular entity 0
                        noble gas atom 0
                          noble gas molecular entity 0
                            helium molecular entity 0
                              elemental helium 0
                                monoatomic helium 0
                                  helium(2+) 0
                                    alpha-particle + 0
                                    helion + 0
paths to the root