Properties of Dysprosium and Rubidium
Melting Point
1,407.00 °C
  
32
Boiling Point
2,562.00 °C
  
99+
Hardness
  
  
Mohs Hardness
Not Available
  
Vickers Hardness
Not Available
  
Optical Properties
  
  
Refractive Index
Not Available
  
Not Available
  
Reflectivity
Not Available
  
Not Available
  
Speed of Sound
2,710.00 m/s
  
33
1,300.00 m/s
  
99+
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Dy
  
Rb
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Not Available
  
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Not Available
  
Allen Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
573.00 kJ/mol
  
99+
403.00 kJ/mol
  
99+
2nd Energy Level
1,130.00 kJ/mol
  
99+
2,633.00 kJ/mol
  
6
3rd Energy Level
2,200.00 kJ/mol
  
99+
3,860.00 kJ/mol
  
11
Electrochemical Equivalent
2.02 g/amp-hr
  
29
3.19 g/amp-hr
  
14
Electron Work Function
Not Available
  
Other Chemical Properties
Density
  
  
Density At Room Temperature
8.54 g/cm3
  
99+
1.53 g/cm3
  
99+
Density When Liquid (at m.p.)
1.46 g/cm3
  
99+
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available
  
Not Available
  
Vapor Pressure at 2000 K
Not Available
  
Not Available
  
Tensile Strength
Not Available
  
Viscosity
Not Available
  
Not Available
  
Elasticity properties
  
  
Shear Modulus
Not Available
  
Poisson Ratio
Not Available
  
Other Mechanical Properties
Symbol
Dy
  
Rb
  
Group Number
Not Available
  
Period Number
6
  
5
  
Atomic Weight
162.50 amu
  
99+
Atomic Volume
19.00 cm3/mol
  
23
55.90 cm3/mol
  
2
Electron Configuration
[Xe] 4f9 6s2
  
[Kr] 5s1
  
Valence Electron Potential
47.40 (-eV)
  
32
9.47 (-eV)
  
99+
Atom
  
  
Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100
  
BCC-Crystal-Structure-.jpg#100
  
Radius of an Atom
  
  
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Adjacent Atomic Numbers
  
  
Electrical Properties
  
  
Resistivity
128.00 nΩ·m
  
26
Electrical Conductivity
0.01 106/cm Ω
  
99+
0.08 106/cm Ω
  
24
Electron Affinity
50.00 kJ/mol
  
21
46.90 kJ/mol
  
24
Magnetic Characteristics
  
  
Permeability
Not Available
  
Not Available
  
Susceptibility
Not Available
  
Not Available
  
Specific Heat
0.17 J/(kg K)
  
34
0.36 J/(kg K)
  
17
Thermal Conductivity
10.70 W/m·K
  
99+
58.20 W/m·K
  
26
Critical Temperature
Not Available
  
Molar Heat Capacity
27.70 J/mol·K
  
14
31.06 J/mol·K
  
5
Thermal Expansion
9.90 µm/(m·K)
  
40
90.00 µm/(m·K)
  
2
Standard Molar Entropy
75.60 J/mol.K
  
7
76.80 J/mol.K
  
5
Enthalpy
  
  
Enthalpy of Vaporization
230.00 kJ/mol
  
39
69.20 kJ/mol
  
99+
Enthalpy of Fusion
11.05 kJ/mol
  
32
2.19 kJ/mol
  
99+
Enthalpy of Atomization
301.00 kJ/mol
  
36
82.00 kJ/mol
  
99+