Thermal Properties of Sodium and Protactinium
Specific Heat
1.23 J/(kg K)
  
3
0.12 J/(kg K)
  
40
Molar Heat Capacity
28.23 J/mol·K
  
10
Not Available
  
Thermal Conductivity
142.00 W/m·K
  
11
47.00 W/m·K
  
32
Critical Temperature
Not Available
  
Thermal Expansion
71.00 µm/(m·K)
  
4
9.90 µm/(m·K)
  
40
Enthalpy
  
  
Enthalpy of Vaporization
89.04 kJ/mol
  
99+
Not Available
  
Enthalpy of Fusion
2.59 kJ/mol
  
99+
12.34 kJ/mol
  
28
Enthalpy of Atomization
108.40 kJ/mol
  
99+
Not Available
  
Standard Molar Entropy
51.30 J/mol.K
  
28
198.10 J/mol.K
  
1