atom oxygen-17 atom 0 16.999 16.99913 gmelin:17561 The stable isotope of oxygen with relative atomic mass 16.999131. The least abundant (0.038 atom percent) isotope of naturally occurring oxygen. oxygen, isotope of mass 17 [17O] [17O] QVGXLLKOCUKJST-OUBTZVSYSA-N CHEBI:33819 cas:13968-48-4 InChI=1S/O/i1+1 chebi_ontology (17)O oxygen-17 oxygen-17 (17)8O