europium

• Металлический элемент, относящийся к группе редкоземельных, который может иметь валентность два или три.

A metallic element belonging to the rare earth group, which can have a valence of two or three.

неисчисляемое

1. Chemical elementC1formalscientific

   A silvery-white metallic element of the lanthanide series, symbol Eu, used in phosphors and nuclear control rods.

   Химический элемент

   • Europium oxide is commonly used in red phosphors for television screens.
   • The sample contained trace amounts of europium.
   • Researchers are studying europium's magnetic properties for new applications.
   • Europium is one of the rarest rare-earth elements on Earth.