63
Eu
Europium
151.9641
28182582
#63
Europium
lanthanide· Solid·151.9641 u
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.
Read on Wikipedia
Identity
- Symbol
- Eu
- Atomic Number
- 63
- Atomic Mass
- 151.9641 u
- Category
- lanthanide
- Block
- f-block
- Period
- 6
- Group
- 3
- Appearance
- Chemical element with atomic number 63 (Eu)
- Year Discovered
- 1901 CE
- Discovered By
- Eugène-Anatole Demarçay
- Named By
- Europe
Electrons
- Configuration
- [Xe] 4f7 6s2
- Full Configuration
- 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f7
- Shells
- 2, 8, 18, 25, 8, 2
- Electronegativity
- 1.2
- Electron Affinity
- 11.2
- Oxidation States
- +3, +2
- Ionization Energies
- 547.1, 1085, 2404, 4120
Physical Properties
- State at
- Solid
- Melting Point
- 1099
- Boiling Point
- 1802
- Density
- 5.264
- Molar Heat
- 27.66 J/(mol·K)
- Crystal Structure
- BCC
- Magnetic Ordering
- Paramagnetic
Mechanical
- Covalent Radius
- 198 pm
- Metallic Radius
- 180 pm
- Mohs Hardness
- 2
- Brinell Hardness
- 167 MPa MPa
- Bulk Modulus
- 8.3 GPa GPa
- Shear Modulus
- 7.9 GPa GPa
- Young's Modulus
- 18.2 GPa GPa
Thermal & Electrical
- Thermal Conductivity
- 13.9 W/(m K) W/(m·K)
- Electrical Conductivity
- 1.12 MS/m S/m
- Specific Heat
- 182 J/(kg K) J/(g·K)
- Heat of Vaporization
- 176 kJ/mol kJ/mol
- Heat of Fusion
- 9.21 kJ/mol kJ/mol
Abundance
- Universe
- 500 ppt
- Sun
- 0.5 ppb
- Meteorite
- 58.0 ppb
- Earth's Crust
- 2 ppm
- Ocean
- 1.3e-7 ppm
- Human Body
- 0