Europium (Eu): Properties, Uses and Facts in 3D

Europium is element 63 on the periodic table, a lanthanide, so it is a metal. At room temperature it is a solid. Open it in the 3D Periodic Table to spin its tile, see its electron shells and read its story.

Europium (Eu) shown in the VisionVix 3D Periodic TableExplore in 3D
Europium in the VisionVix 3D Periodic Table. Click the picture to open it live.

Europium quick facts

Atomic number63
SymbolEu
Atomic mass151.964
CategoryLanthanide
Series and periodLanthanides, period 6
Blockf-block
State at room temperatureSolid
Electron configuration[Xe] 4f⁷ 6s²
Electrons per shell2, 8, 18, 25, 8, 2
Discovered1901, Demarçay

What is europium used for?

  • Red & blue phosphors in CRT and LED screens
  • Euro banknote anti-counterfeiting fluorescence
  • Mercury vapour lamp phosphor

Interesting facts about europium

  • Europium compounds glow vividly under UV light. They authenticate euro banknotes
  • From the 1960s, the bright red in colour CRT televisions came from europium phosphors
  • Europium is the most reactive of all lanthanides. Reacts rapidly with water and oxygen

Europium was discovered in 1901 by Demarçay in France.

Where europium sits on the periodic table

Europium is in the lanthanide series (period 6). Tap any element to open its page.

Previous element62. SamariumNext element64. Gadolinium

Other lanthanides

Europium questions

What is the atomic number of europium?

Europium has atomic number 63, so every europium atom has 63 protons in its nucleus. Its symbol is Eu and its atomic mass is 151.964.

Is europium a metal?

Europium is a metal. On the periodic table it is grouped as a lanthanide, found in the lanthanide series (period 6).

What is the electron configuration of europium?

The electron configuration of europium is [Xe] 4f⁷ 6s². Its electrons sit in 6 shells: 2, 8, 18, 25, 8, 2.

What is europium used for?

Europium is used for red & blue phosphors in crt and led screens, euro banknote anti-counterfeiting fluorescence and mercury vapour lamp phosphor.

Who discovered europium?

Europium was discovered in 1901 by Demarçay in France.

The 3D Periodic Table is made by Julian Neagu, a solo founder in London, as part of VisionVix Simulators. It is free to use in the browser on desktop and phone, with no sign-up.