Europium Element Cube - 2" Acrylic Display - Atomic Number 63

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Europium's atomic number is 63 and its symbol is Eu. Europium is one of the rarest rare earth elements on earth as well as the most reactive of the lanthanides. When europium oxide s it turns from yellow to green to light yellow powder. It's few applications include the production of colored glass filters, TVs, and quantum data memory chips. The europium sample in this display is encapsulated in an argon-filled glass ampule to prevent it from oxidizing and turning to dust. This ensures that this display will last for decades to come. Show more