Europium (Eu)
Europium is used in the red and blue phosphors in TV and computer screens, and in anti-counterfeiting marks on euro banknotes.
Properties of Europium
- Atomic number
- 63
- Category
- Lanthanide
- Atomic mass
- 151.96 u
- Electron configuration
- [Xe] 4f⁷ 6s²
- Melting point
- 1099 K (825.85 °C)
- Boiling point
- 1802 K (1528.85 °C)
- Density
- 5.243 g/cm³
- Electronegativity (Pauling)
- 1.2
- Appearance
- Silvery-white metal
- Discovered by
- Eugène-Anatole Demarçay (1901)
Facts about Europium
- Europium is named after Europe!
- Euro banknotes glow red under UV light because of europium!
- Europium creates the red color in TV screens and LED lights!
- Europium is the most reactive of the rare earth elements!