Europium photograph

Europium

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Symbol Eu
Electron configuration[Xe] 4f76s2
Atomic mass151. 964 u
Atomic number63
Discovered1901
Did you knowBlue radiance is produced by valency two europium and red radiance by valency three europium.
Date of Reg.
Date of Upd.
ID961577
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About 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.

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