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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-212 atom
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Accession:CHEBI:37342 term browser browse the term
Definition:The radioactive isotope of polonium with relative atomic mass 211.988852 and half-life of 0.299 mus.
Synonyms:related_synonym: (212)84Po;   (212)Po;   Formula=[212Po];   InChI=1S/Po/i1+3;   InChIKey=HZEBHPIOVYHPMT-AKLPVKDBSA-N;   SMILES=[212Po];   polonium, isotope of mass 212;   polonium-212
 xref: CAS:15389-34-1;   Gmelin:41677

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19823
    chemical entity 19823
      atom 19821
        metal atom 17432
          polonium atom 0
            polonium-212 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19823
    subatomic particle 19821
      composite particle 19821
        hadron 19821
          baryon 19821
            nucleon 19821
              atomic nucleus 19821
                atom 19821
                  main group element atom 19720
                    p-block element atom 19720
                      chalcogen 19471
                        polonium atom 0
                          polonium-212 atom 0
paths to the root