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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC 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:polonium-213 atom
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Accession:CHEBI:37343 term browser browse the term
Definition:The radioactive isotope of polonium with relative atomic mass 212.9928425 and half-life of 4.2 mus.
Synonyms:related_synonym: (213)84Po;   (213)Po;   Formula=[213Po];   InChI=1S/Po/i1+4;   InChIKey=HZEBHPIOVYHPMT-RNFDNDRNSA-N;   SMILES=[213Po];   polonium, isotope of mass 213;   polonium-213
 xref: CAS:15756-57-7

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Path 1
Term Annotations click to browse term
  CHEBI ontology 0
    chemical entity 0
      atom 0
        metal atom 0
          polonium atom 0
            polonium-213 atom 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
                    p-block element atom 0
                      chalcogen 0
                        polonium atom 0
                          polonium-213 atom 0
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