Polonium monoxide

Names
Systematic IUPAC name

Polonium monoxide

Identifiers

3D model (JSmol)

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ChemSpider |

* 28689619

InChI

* InChI=1S/O.Po/q-2;+2

SMILES

* [Po+2].[O-2]

Properties

Chemical formula

| PoO
Molar mass | 224.98 g/mol
Appearance  | black solid[1][2]

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Polonium monoxide (also known as polonium(II) oxide) is a chemical compound with the formula PoO. It is one of three oxides of polonium, the other two being polonium dioxide (PoO
2) and polonium trioxide (PoO
3). It is an interchalcogen.

## Appearance and preparation

Polonium monoxide is a black solid. It is formed during the radiolysis of polonium sulfite (PoSO
3) and polonium selenite (PoSeO
3).[1][2]

## Chemistry

On contact with oxygen or water, both polonium monoxide and its related hydroxide (polonium(II) hydroxide, Po(OH)
2) are oxidized quickly to Po(IV).[2]

## References

1. ↑ 1.0 1.1 Holleman, Arnold Frederik; Wiberg, Egon (2001), Wiberg, Nils, ed., Inorganic Chemistry, San Diego/Berlin: Academic Press/De Gruyter, p. 594, ISBN 0-12-352651-5
2. ↑ 2.0 2.1 2.2 Bagnall, K. W. (1962). "The Chemistry of Polonium". Advances in Inorganic Chemistry and Radiochemistry. New York: Academic Press. pp. 197–230. ISBN 9780120236046. https://books.google.com/books?id=8qePsa3V8GQC. Retrieved June 15, 2012.

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Polonium compounds

Polonium(−II)|

* Li2Po
* Na2Po
* K2Po
* Rb2Po
* Cs2Po
* BePo
* MgPo
* CaPo
* SrPo
* BaPo
* ZnPo
* CdPo
* HgPo
* PbPo

Polonium(II)|

* PoH2
* PoCl2
* PoBr2
* PoI2
* PoO
* PoS
* Po(OH)2
* Po(NO3)2
* "PoSO3"
* "PoSeO3"

Polonium(IV)|

* PoF4
* PoCl4
* PoBr4
* PoI4
* PoCl2Br2
* PoO2
* PoO(OH)2
* Po(SO4)2
* Po(SeO4)2
* Po(NO3)4
* Po(CO3)2
* Po3(PO3)4
* Po(CrO4)2
* Po(IO3)4
* H2PoBr6
* Cs2PoCl6
* Cs2PoBr6
* Cs2PoI6
* H2PoO3
* K2PoO3
* Po(C2O4)2
* Po(CH3CO2)4
* Po(CN)4

Polonium(VI)|

* PoF6
* PoO3

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