|Systematic IUPAC name
3D model (JSmol)
|Molar mass||502.053 g/mol|
|Melting point||2,327 °C (4,221 °F; 2,600 K)|
|P3m1, No. 164|
a = 408 pm, c = 630 pm
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
what is ?)(
Actinium(III) oxide is a chemical compound containing the rare radioactive element actinium. It has the formula Ac2O3. It is similar to its corresponding lanthanum compound, lanthanum(III) oxide, and contains actinium in the oxidation state +3. Actinium oxide is not to be confused with Ac2O (acetic anhydride), where Ac is an abbreviation for acetyl instead of the symbol of the element actinium.