Tos Su Periodic Table 1502 X

Periodic table with oxidation Numbers

  • disodium oxide
  • sodium(I) oxide
  • sodium oxide

The oxidation number of sodium in disodium oxide is 1.

  • Formula: Na2O
  • Hill system formula: Na2O1
  • CAS registry number: [1313-59-3]
  • Formula weight: 61.979
  • Class: oxide
  • Colour: white
  • Appearance: solid
  • Melting point: 1132°C
  • Boiling point: decomposes at 1950
  • Density: 2270 kg m-3


Not available

Solid state structure

  • Geometry of sodium:
  • Prototypical structure:

Element analysis

Element percentages in disodium oxide
Na 74.19

Isotope pattern for Na2O

THe chart below shows the calculated isotope pattern for the formula Na2O with the most intense ion set to 100%.


Coming soon...


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, 2nd edition, Butterworth, UK, 1997.
  • F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in, 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, 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, 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.
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