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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 19770
    chemical entity 19770
      molecular entity 19768
        elemental molecular entity 16313
          monoatomic entity 15185
            monoatomic helium 0
              helium(2+) 0
                alpha-particle + 0
                helion + 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19770
    subatomic particle 19768
      composite particle 19768
        hadron 19768
          baryon 19768
            nucleon 19768
              atomic nucleus 19768
                atom 19768
                  main group element atom 19662
                    main group molecular entity 19662
                      gas molecular entity 17751
                        noble gas atom 27
                          noble gas molecular entity 6
                            helium molecular entity 0
                              elemental helium 0
                                monoatomic helium 0
                                  helium(2+) 0
                                    alpha-particle + 0
                                    helion + 0
paths to the root