🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtРусскийالعربيةفارسیไทย한국어中文日本語EntityQ662269· pop 19oxygen-18Also known as heavy oxygenREDIRECT Isotopes of oxygen#Oxygen-18Chemical dataFormulaOMolecular weight17.999159612 g/molIUPAC nameoxidaneSMILES[18O]InChIKeyQVGXLLKOCUKJST-NJFSPNSNSA-NXLogP-0.5Polar surface area1 ŲH-bond donors0H-bond acceptors1Formal charge0via PubChemWikidata factsImageOxygen-18.svgSources (7)~1 min readArticleREDIRECT Isotopes of oxygen#Oxygen-18Available in 19 languagesEspañolFrançais中文РусскийPortuguêsAfrikaansCatalanCzechEsperantoHebrewInterlinguaNederlandsConnectionsisotope of oxygenEntity