66
Dy
Dysprosium
162.5001
28182882
#66
Dysprosium
lanthanide· Solid·162.5001 u
Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is a rare earth element with a metallic silver luster. Dysprosium is never found in nature as a free element, though it is found in various minerals, such as xenotime.
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Identity
- Symbol
- Dy
- Atomic Number
- 66
- Atomic Mass
- 162.5001 u
- Category
- lanthanide
- Block
- f-block
- Period
- 6
- Group
- 3
- Appearance
- silvery white
- Year Discovered
- 1886 CE
- Discovered By
- Lecoq de Boisbaudran
- Named By
- getting
Electrons
- Configuration
- [Xe] 4f10 6s2
- Full Configuration
- 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f10
- Shells
- 2, 8, 18, 28, 8, 2
- Electronegativity
- 1.22
- Electron Affinity
- 33.96
- Oxidation States
- +3
- Ionization Energies
- 573, 1130, 2200, 3990
Physical Properties
- State at
- Solid
- Melting Point
- 1680
- Boiling Point
- 2840
- Density
- 8.54
- Molar Heat
- 27.7 J/(mol·K)
- Crystal Structure
- HEX
- Magnetic Ordering
- Paramagnetic
Mechanical
- Covalent Radius
- 192 pm
- Metallic Radius
- 178 pm
- Mohs Hardness
- 2
- Bulk Modulus
- 40.5 GPa GPa
- Shear Modulus
- 24.7 GPa GPa
- Young's Modulus
- 61.4 GPa GPa
Thermal & Electrical
- Thermal Conductivity
- 10.7 W/(m K) W/(m·K)
- Electrical Conductivity
- 1.08 MS/m S/m
- Specific Heat
- 170 J/(kg K) J/(g·K)
- Heat of Vaporization
- 280 kJ/mol kJ/mol
- Heat of Fusion
- 11.1 kJ/mol kJ/mol
Abundance
- Universe
- 2.00 ppb
- Sun
- 2.00 ppb
- Meteorite
- 250 ppb
- Earth's Crust
- 5.2 ppm
- Ocean
- 9.1e-7 ppm
- Human Body
- 0