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10203040506070809010011000.511.522.53‌ Å

63 - Europium lanthanide

Atomic Mass (u)

151.96

Density (g/cm³)

5.26

Phase

Solid

Year of Discovery

1901
EuropiumEuElectron 1Electron 2Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 9Electron 10Electron 11Electron 12Electron 13Electron 14Electron 15Electron 16Electron 17Electron 18Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 9Electron 10Electron 11Electron 12Electron 13Electron 14Electron 15Electron 16Electron 17Electron 18Electron 19Electron 20Electron 21Electron 22Electron 23Electron 24Electron 25Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 1Electron 2

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.

63 Atomic Number
151.96  u Atomic Mass
1095.15  K Melting Point
1802  K Boiling Point
5.26  g/cm³ Density
2.6  Å Atomic Radius
1.98  Å Covalent Radius
1.2 Electronegativity
5.67  eV First Ionization Energy
11.2 Electron Affinity
6 Number of Shells
2, 8, 18, 25, 8, 2 Electron Shell Occupations
0.18  J/g Specific Heat