Thermal Properties of Terbium and Promethium
Specific Heat
0.18 J/(kg K)
  
33
0.18 J/(kg K)
  
33
Molar Heat Capacity
28.91 J/mol·K
  
9
Not Available
  
Thermal Conductivity
11.10 W/m·K
  
99+
17.90 W/m·K
  
99+
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
10.30 µm/(m·K)
  
38
9.00 µm/(m·K)
  
99+
Enthalpy
  
  
Enthalpy of Vaporization
330.90 kJ/mol
  
26
Not Available
  
Enthalpy of Fusion
10.80 kJ/mol
  
34
7.50 kJ/mol
  
99+
Enthalpy of Atomization
314.00 kJ/mol
  
33
310.00 kJ/mol
  
34
Standard Molar Entropy
73.20 J/mol.K
  
10
Not Available