Properties of Palladium and Cesium
Melting Point
1,554.90 °C
  
22
Boiling Point
2,963.00 °C
  
33
Hardness
  
  
Vickers Hardness
Not Available
  
Optical Properties
  
  
Refractive Index
Not Available
  
Reflectivity
Not Available
  
Speed of Sound
3,070.00 m/s
  
26
Not Available
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Pd
  
Cs
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Not Available
  
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
520.23 kJ/mol
  
99+
375.70 kJ/mol
  
99+
2nd Energy Level
7,298.22 kJ/mol
  
2
2,234.30 kJ/mol
  
8
3rd Energy Level
11,815.13 kJ/mol
  
3
3,400.00 kJ/mol
  
16
Electrochemical Equivalent
1.99 g/amp-hr
  
30
4.96 g/amp-hr
  
3
Other Chemical Properties
Density
  
  
Density At Room Temperature
12.02 g/cm3
  
29
1.93 g/cm3
  
99+
Density When Liquid (at m.p.)
10.38 g/cm3
  
17
1.84 g/cm3
  
99+
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available
  
Vapor Pressure at 2000 K
Not Available
  
Tensile Strength
Not Available
  
Not Available
  
Viscosity
Not Available
  
Not Available
  
Elasticity properties
  
  
Shear Modulus
Not Available
  
Poisson Ratio
Not Available
  
Other Mechanical Properties
Symbol
Pd
  
Cs
  
Period Number
5
  
6
  
Atomic Weight
106.42 amu
  
99+
132.91 amu
  
99+
Atomic Volume
8.90 cm3/mol
  
99+
71.07 cm3/mol
  
1
Electron Configuration
[Kr] 4d10
  
[Xe] 6s1
  
Valence Electron Potential
33.00 (-eV)
  
99+
8.62 (-eV)
  
99+
Atom
  
  
Crystal Lattice
FCC-Crystal-Structure-of-Palladium.jpg#100
  
BCC-Crystal-Structure-.jpg#100
  
Radius of an Atom
  
  
Lattice Angles
π/2, π/2, π/2
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Adjacent Atomic Numbers
  
  
Electrical Properties
  
  
Resistivity
105.40 nΩ·m
  
29
205.00 nΩ·m
  
17
Electrical Conductivity
0.10 106/cm Ω
  
22
0.05 106/cm Ω
  
35
Electron Affinity
54.23 kJ/mol
  
17
45.50 kJ/mol
  
25
Magnetic Characteristics
  
  
Permeability
Not Available
  
Not Available
  
Susceptibility
Not Available
  
Not Available
  
Specific Heat
0.24 J/(kg K)
  
23
0.24 J/(kg K)
  
23
Thermal Conductivity
71.80 W/m·K
  
23
35.90 W/m·K
  
36
Critical Temperature
Not Available
  
Molar Heat Capacity
25.98 J/mol·K
  
33
32.21 J/mol·K
  
4
Thermal Expansion
11.80 µm/(m·K)
  
33
97.00 µm/(m·K)
  
1
Standard Molar Entropy
37.60 J/mol.K
  
40
85.20 J/mol.K
  
3
Enthalpy
  
  
Enthalpy of Vaporization
376.60 kJ/mol
  
19
65.90 kJ/mol
  
99+
Enthalpy of Fusion
16.74 kJ/mol
  
18
2.10 kJ/mol
  
99+
Enthalpy of Atomization
393.30 kJ/mol
  
22
78.20 kJ/mol
  
99+