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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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Path 1
Term Annotations click to browse term
  CHEBI ontology 397
    chemical entity 397
      atom 397
        metal atom 32
          polonium atom 0
            polonium-212 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 397
    subatomic particle 397
      composite particle 397
        hadron 397
          baryon 397
            nucleon 397
              atomic nucleus 397
                atom 397
                  main group element atom 390
                    p-block element atom 390
                      chalcogen 348
                        polonium atom 0
                          polonium-212 atom 0
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