Properties
In solid uranium(III) chloride each uranium atom has nine chlorine atoms as near neighbours, at approximately the same distance, in a tricapped trigonal prismatic configuration.
Uranium(III) chloride is a green crystalline solid at room temperature. UCl3 melts at 837 °C and boils at 1657 °C. Uranium(III) chloride has a density of 5500 kg/m³ or 5.500 g/cm³.
Its composition by weight:
- Chlorine: 30.84%
- Uranium: 69.16%
Its formal oxidative states:
- Chlorine: −1
- Uranium: +3
Uranium(III) chloride is very soluble in water and is also very hygroscopic. UCl3 is more stable in a solution of hydrochloric acid.
Read more about this topic: Uranium(III) Chloride
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