Samarium(III) oxide is a chemical compound. Samarium oxide readily forms on the surface of samarium metal under humid conditions or temperatures in excess of 150°C in dry air. Similar to rust on metallic iron, this oxide layer spalls off the surface of the metal, exposing more metal to continue the reaction.
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Samarium (III) oxide in Pakistan
Formula: Sm2O3
Molar mass: 348.72Â g/mol
Density: 8.35 g/cm³
Melting point: 2,335 °C
Boiling point: 4,118 °C
Solubility in water: insoluble
Crystal structure: Cubic, cI80
Available: Unlimit
