ESL Saigon logo

Chemistry


Europium

Name: Europium
Symbol: Eu
Number of Energy Levels: 6
Electrons on the outer energy level: 2
Atomic number: 63
Atomic Mass: 151.964 Amu (Atomic Mass Units)
Protons/Electrons: 63
Neutrons: 89
Density: 5.259 g/cm3
Classification: Rare Earth

Europium | Chemical elements

Europium was discovered in 1901 by Eugene Demarcay. Its name derives from the name of the continent Europe. Europium’s melting point is at 822.0 °C (1095.15 K, 1511.6 °F) and its boiling point is at 1597.0 °C (1870.15 K, 2906.6 °F).

Top 12 interesting facts about Europium

  1. Europium is a silvery ductile metal of moderate hardness similar of lead.
  2. Europium oxidizes in air and water.
  3. Europium is the most reactive Rare Earth element.
  4. Europium has two naturally occurring isotopes: 151-Eu and 153-Eu (the most abundant).
  5. Europium is produced by nuclear fission.
  6. Europium is not found in nature as a free element but it is found in minerals bastnasite, monazite, xenotime, and loparite.
  7. China is the largest producer of europium.
  8. Europium’s applications are few and based on its phosphorescence property.
  9. Europium is used as a dopant in glass and lasers, in TV and fluorescent lamps, and in fluorescent glass production.
  10. Europium is mined together with other rare earth elements.
  11. Europium has no biological role in living organisms.
  12. Europium is considered a non/low toxic element.

Back to index