63Eu151.96
Europium
LanthanidesRare-earth metals used in strong magnets, phone screens and lasers.
[Xe] 4f⁷ 6s²
- Atomic number
- 63
- Atomic mass
- 151.96
- Protons
- 63
- Neutrons
- 89 (most common)
- Electrons
- 63
- Shells
- 2, 8, 18, 25, 8, 2
- State at 25 °C
- Solid
- Position
- Period 6, f-block
Proton (+)Neutron (0)Electron (−)
Did you know?
- Euro banknotes glow under ultraviolet light thanks to europium compounds.
- It is the most reactive rare-earth metal.
Where it's found
- Rare-earth ores
What it's used for
- Red and blue light in screens and LEDs
- Glowing anti-forgery marks on banknotes
Try it
There's no safe home experiment for Europium. Explore it with the animated atom above instead.