Europium(III) bromide (or europium tribromide) is a crystalline compound, a salt, made of one

europium Europium is a chemical element with the symbol Eu and atomic number 63. Europium is the most reactive lanthanide by far, having to be stored under an inert fluid to protect it from atmospheric oxygen or moisture. Europium is also the softest lanth ...

and three

bromine Bromine is a chemical element with the symbol Br and atomic number 35. It is the third-lightest element in group 17 of the periodic table (halogens) and is a volatile red-brown liquid at room temperature that evaporates readily to form a simila ...

atoms. Europium tribromide is a grey powder at room temperature. It is odorless. Europium tribromide is

hygroscopic Hygroscopy is the phenomenon of attracting and holding water molecules via either absorption or adsorption from the surrounding environment, which is usually at normal or room temperature. If water molecules become suspended among the substance ...

Reactions

When vaporized, europium(III) bromide reacts by the equation: *2 EuBr₃ → 2 Eu + 3 Br₂ Europium(III) bromide is also created through the equations: *4 EuBr₂+ 4 HBr → 4 EuBr₃ + 2 H₂

References

{{Lanthanide halides Bromides Europium(III) compounds