Tantalum oxide
- Formula: TaO
 - Hill system formula: O1Ta1
 - CAS registry number: [12035-90-4]
 - Formula weight: 196.947
 - Class: oxide
 - Colour:
 - Appearance:
 - Melting point:
 - Boiling point:
 - Density:
 
The following are some synonyms of tantalum oxide:
- tantalum oxide
 - tantalum(II) oxide
 
The oxidation number of tantalum in tantalum oxide is 2.
Synthesis
Not available
Solid state structure
- Geometry of tantalum:
 - Prototypical structure: NaCl (rock salt)
 

Element analysis
The table shows element percentages for TaO (tantalum oxide).
| Element | % | 
|---|---|
| O | 8.12 | 
| Ta | 91.88 | 
Isotope pattern for TaO
The chart below shows the calculated isotope pattern for the formula TaO with the most intense ion set to 100%.
References
The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.
- R.T. Sanderson in Chemical Periodicity, Reinhold, New York, USA, 1960.
 - N.N. Greenwood and A. Earnshaw in Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
 - F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in Advanced Inorganic Chemistry, John Wiley & Sons, 1999.
 - A.F. Trotman-Dickenson, (ed.) in Comprehensive Inorganic Chemistry, Pergamon, Oxford, UK, 1973.
 - R.W.G. Wyckoff, in Crystal Structures, volume 1, Interscience, John Wiley & Sons, 1963.
 - A.R.West in Basic solid state chemistry Chemistry, John Wiley & Sons, 1999.
 - A.F. Wells in Structural inorganic chemistry, 4th edition, Oxford, UK, 1975.
 - J.D.H. Donnay, (ed.) in Crystal data determinative tables, ACA monograph number 5, American Crystallographic Association, USA, 1963.
 - D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
 - J.W. Mellor in A comprehensive treatise on inorganic and theoretical chemistry, volumes 1-16, Longmans, London, UK, 1922-1937.
 - J.E. Macintyre (ed.) in Dictionary of inorganic compounds, volumes 1-3, Chapman & Hall, London, UK, 1992.
 
