Sodium polonide

Sodium polonide is a radioactive chemical compound with the formula Na2Po. This salt is a polonide, a set of very chemically stable compounds of polonium. Due to the difference in electronegativity (ΔEN) between sodium and polonium (≈ 1.1 under the Pauling system) and the slight non-metallic character of polonium, it is intermediate between intermetallic phases and ionic compounds.

Sodium polonide

Crystal structure of sodium polonide
__ Na+     __ Po2-
Names
Preferred IUPAC name
Sodium polonide
Identifiers
3D model (JSmol)
  • InChI=1S/2Na.Po/q2*+1;-2
  • [Na+].[Na+].[Po-2]
Properties
Na2Po
Molar mass 254.96 g/mol
Appearance greyish
Related compounds
Other anions
Other cations
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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