Thermal Properties of Promethium and Scandium
Specific Heat
0.18 J/(kg K)
  
33
0.60 J/(kg K)
  
8
Molar Heat Capacity
Not Available
  
25.52 J/mol·K
  
37
Thermal Conductivity
17.90 W/m·K
  
99+
15.80 W/m·K
  
99+
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
9.00 µm/(m·K)
  
99+
10.20 µm/(m·K)
  
39
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
314.20 kJ/mol
  
28
Enthalpy of Fusion
7.50 kJ/mol
  
99+
14.10 kJ/mol
  
25
Enthalpy of Atomization
310.00 kJ/mol
  
34
343.00 kJ/mol
  
28
Standard Molar Entropy
Not Available
  
34.60 J/mol.K
  
99+