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Dysprosium Properties
Dysprosium


Physical
0
Melting Point
1,407.00 °C 32
Boiling Point
2,562.00 °C 43
Hardness
0
Mohs Hardness
Not Available 0
Brinell Hardness
500.00 MPa 23
Vickers Hardness
540.00 MPa 20
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
Not Available 0
Speed of Sound
2,710.00 m/s 33
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Dy 0
Isotopes
0
Known Isotopes
29 10
Electronegativity
0
Pauling Electronegativity
1.22 38
Sanderson Electronegativity
Not Available 0
Allred Rochow Electronegativity
1.10 30
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
Not Available 0
Electropositivity
0
Pauling Electropositivity
2.78 16
Ionization Energies
0
1st Energy Level
573.00 kJ/mol 67
2nd Energy Level
1,130.00 kJ/mol 71
3rd Energy Level
2,200.00 kJ/mol 64
Electrochemical Equivalent
2.02 g/amp-hr 29
Electron Work Function
Not Available 0
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility 0
Mechanical
0
Density
0
Density At Room Temperature
8.54 g/cm3 49
Density When Liquid (at m.p.)
8.37 g/cm3 25
Vapor Pressure
0
Vapor Pressure at 1000 K
Not Available 0
Vapor Pressure at 2000 K
Not Available 0
Tensile Strength
120.00 MPa 15
Viscosity
Not Available 0
Elasticity properties
0
Shear Modulus
24.70 GPa 31
Bulk Modulus
40.50 GPa 31
Young's Modulus
61.40 GPa 33
Poisson Ratio
0.25 25
Other Mechanical Properties
Sectile 0
Periodic Table
0
Symbol
Dy 0
Group Number
Not Available 0
Period Number
6 2
Block
f block 0
Element Family
Lanthanide 0
Atomic
0
Atomic Number
66 50
Atomic Weight
162.50 amu 45
Atomic Volume
19.00 cm3/mol 23
Electron Configuration
[Xe] 4f9 6s2 0
Valence Electron Potential
47.40 (-eV) 32
Atom
0
Number of Protons
66 49
Number of Neutrons
96 35
Number of Electrons
66 49
Crystal Structure
Hexagonal Close Packed (HCP) 0
Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100 0
Radius of an Atom
0
Atomic Radius
178.00 pm 16
Covalent Radius
192.00 pm 17
Van der Waals Radius
229.00 pm 20
Lattice Constant
359.30 pm 37
Lattice Angles
π/2, π/2, 2 π/3 0
Lattice C/A Ratio
1.57 15
Adjacent Atomic Numbers
0
Next Element
79 0
Previous Element
77 0
Magnetic
0
Electrical Properties
0
Resistivity
926.00 nΩ·m 2
Electrical Conductivity
0.01 106/cm Ω 56
Electron Affinity
50.00 kJ/mol 21
Electrical Property
Conductor 0
Magnetic Characteristics
0
Specific Gravity
8.55 38
Magnetic Ordering
Paramagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Thermal
0
Specific Heat
0.17 J/(kg K) 34
Thermal Conductivity
10.70 W/m·K 63
Critical Temperature
Not Available 0
Molar Heat Capacity
27.70 J/mol·K 14
Thermal Expansion
9.90 µm/(m·K) 40
Standard Molar Entropy
75.60 J/mol.K 7
Enthalpy
0
Enthalpy of Vaporization
230.00 kJ/mol 39
Enthalpy of Fusion
11.05 kJ/mol 32
Enthalpy of Atomization
301.00 kJ/mol 36
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