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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(.1+)
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Accession:CHEBI:30221 term browser browse the term
Definition:A monoatomic helium that has formula He.
Synonyms:related_synonym: Formula=He;   He(.+);   InChI=1S/He/q+1;   InChIKey=QLNXTEZOQCZJBA-UHFFFAOYSA-N;   SMILES=[He+];   helium cation
 xref: CAS:14234-48-1;   Gmelin:15191


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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19908
    chemical entity 19906
      molecular entity 19906
        elemental molecular entity 16686
          monoatomic entity 15569
            monoatomic helium 0
              helium(.1+) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19908
    subatomic particle 19906
      composite particle 19906
        hadron 19906
          baryon 19906
            nucleon 19906
              atomic nucleus 19906
                atom 19906
                  main group element atom 19853
                    main group molecular entity 19853
                      gas molecular entity 18472
                        noble gas atom 46
                          noble gas molecular entity 6
                            helium molecular entity 0
                              elemental helium 0
                                monoatomic helium 0
                                  helium(.1+) 0
paths to the root