Berkelium(III) oxide

Berkelium(III) oxide is a binary inorganic compound of berkelium and oxygen with the chemical formula.

Synthesis
Berkelium(III) oxide can be prepared from berkelium(IV) oxide by reduction with hydrogen:


 * 2BkO2 + H2 -> Bk2O3 + H2O

Physical properties
The compound forms a yellow-green solid with a melting point of 1920 °C. It forms a body-centered cubic crystal lattice with a = 1088.0 ± 0.5 pm.

Insoluble in water.