Europium (Eu), element 63 – Learn Acer periodic table

Europium

Lanthanide, atomic number 63.

Europium is a chemical element with symbol Eu and atomic number 63. It was isolated in 1901 and is named after the continent of Europe. It is a moderately hard, silvery metal which readily oxidizes in air and water.

Facts

Symbol Eu. Atomic mass 151.9641 u. Group 3, period 6. Electron configuration [Xe] 4f7 6s2. Electrons per shell 2, 8, 18, 25, 8, 2. State at room temperature: Solid. Melting point 825.9 °C, boiling point 1528.8 °C. Discovered by Eugène-Anatole Demarçay.

Element data from Wikipedia, CC BY-SA 3.0.