Connecting Chemistry


Atomic symbol: Eu
Atomic number: 63
Atomic mass: 151.96

Appearance: Silvery white solid, with a pale yellow hue, at 25°C

Group: N/a Period: 6
Series: Lanthanides
Block: f
Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶ 4f⁷ 6s²

Soft and ductile.

The most reactive metal of all the lanthanides.

Fun Fact! Europium is used to produce the blue, red, and white glows of computer monitors, TVs, and other technology screens.