Thermal Properties of Radium and Mercury
Specific Heat
0.12 J/(kg K)
  
40
0.14 J/(kg K)
  
38
Molar Heat Capacity
Not Available
  
27.98 J/mol·K
  
13
Thermal Conductivity
18.60 W/m·K
  
99+
8.30 W/m·K
  
99+
Critical Temperature
Not Available
  
Thermal Expansion
Not Available
  
60.40 µm/(m·K)
  
5
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
56.90 kJ/mol
  
99+
Enthalpy of Fusion
Not Available
  
2.29 kJ/mol
  
99+
Enthalpy of Atomization
163.00 kJ/mol
  
99+
61.50 kJ/mol
  
99+
Standard Molar Entropy
71.00 J/mol.K
  
14
75.80 J/mol.K
  
6