Thermal Properties of Thallium and Radium
Specific Heat
0.13 J/(kg K)
  
39
0.12 J/(kg K)
  
40
Molar Heat Capacity
26.32 J/mol·K
  
29
Not Available
  
Thermal Conductivity
46.10 W/m·K
  
33
18.60 W/m·K
  
99+
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
29.90 µm/(m·K)
  
12
Not Available
  
Enthalpy
  
  
Enthalpy of Vaporization
162.10 kJ/mol
  
99+
Not Available
  
Enthalpy of Fusion
4.27 kJ/mol
  
99+
Not Available
  
Enthalpy of Atomization
179.90 kJ/mol
  
99+
163.00 kJ/mol
  
99+
Standard Molar Entropy
64.20 J/mol.K
  
19
71.00 J/mol.K
  
14