Thermal Properties of Promethium and Holmium
Specific Heat
0.18 J/(kg K)
  
33
0.16 J/(kg K)
  
35
Molar Heat Capacity
Not Available
  
27.15 J/mol·K
  
19
Thermal Conductivity
17.90 W/m·K
  
99+
16.20 W/m·K
  
99+
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
9.00 µm/(m·K)
  
99+
11.20 µm/(m·K)
  
35
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
241.00 kJ/mol
  
38
Enthalpy of Fusion
7.50 kJ/mol
  
99+
11.76 kJ/mol
  
29
Enthalpy of Atomization
310.00 kJ/mol
  
34
301.00 kJ/mol
  
36
Standard Molar Entropy
Not Available
  
75.30 J/mol.K
  
8