Eu
Europium (Atomic Number 63)
Category: lanthanide | Period 6, Group 3 | Block: f
Most reactive rare earth metal; luminescent red phosphor.
Atomic & Physical Constants
- Standard Atomic Weight:
- 151.9641 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 18, 25, 8, 2
- Electronegativity (Pauling):
- 1.2
- Melting Point:
- 1099 K
- Boiling Point:
- 1802 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Euro banknote anti-counterfeiting phosphors, TV displays
Discovery History
Discovered by Eugène-Anatole Demarçay (1901).
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