Английская Википедия:Curium(IV) oxide

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Шаблон:Chembox Curium(IV) oxide is an inorganic chemical compound of curium and oxygen with the chemical formula Шаблон:Chem2. Since all isotopes of curium are man-made, the compound does not occur in nature.

Synthesis

  • Curium(IV) oxide can be prepared directly from the elements. Metallic curium is annealed in air or in an oxygen atmosphere:[1]
Шаблон:Chem2
Шаблон:Chem2
Шаблон:Chem2
Шаблон:Chem2

Physical properties

Curium(IV) oxide forms black crystals.[3] Insoluble in water. The compound crystals are of the cubic crystal system, the fluorite structure in the space group Fm3m.

Chemical properties

The compound reacts with mineral acids to form solutions of curium(III) salts.[4]

Uses

The compound is used for the manufacturing of isotopic current sources, also as targets for the synthesis of transcurium elements.

References

Шаблон:Reflist

Шаблон:Curium compounds Шаблон:Oxides