Home›ECHA InfoCard ID from Wikidata›五氧化二钽🌐中文EnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiTiếng ViệtРусскийفارسیहिन्दी한국어中文日本語EntityQ425103· pop 29· linked from 250 articles五氧化二钽化合物Chemical dataFormulaO5Ta2Molecular weight441.89 g/molIUPAC namepentakis(oxygen(2-));bis(tantalum(5+))SMILES[O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5]InChIKeyBPUBBGLMJRNUCC-UHFFFAOYSA-NPolar surface area5 ŲH-bond donors0H-bond acceptors5Formal charge0via PubChemWikidata factsMass441.871Show 5 more factsArticle · 中文五氧化二钽(化学式:Ta2O5)是钽最常见的氧化物,也是钽在空气中燃烧生成的最终产物。Abstract from DBpedia / Wikipedia · CC BY-SAAvailable in 28 languagesEspañolFrançaisDeutsch中文日本語РусскийItalianoहिन्दीazbBahasa IndonesiaConnectionstantalumEntityzirconiumEntityCategoriesECHA InfoCard ID from WikidataHigh-κ dielectricsTantalum(V) compoundsTransition metal oxides