tantalic oxide
1tantalic acid — noun the hydrated form of tantalum oxide, TaO See Also: tantalate …
2Tantalum pentoxide — Identifiers CAS number 1314 61 0 …
3Tantalum — (pronEng|ˈtæntələm) (formerly tantalium IPA|/tænˈtæliəm/) is a chemical element with the symbol Ta and atomic number 73. A rare, hard, blue grey, lustrous, transition metal, tantalum is highly corrosion resistant and occurs naturally in the… …