Thermal Properties of Americium and Polonium
Specific Heat
0.11 J/(kg K)
  
99+
0.12 J/(kg K)
  
40
Molar Heat Capacity
62.70 J/mol·K
  
1
26.40 J/mol·K
  
28
Thermal Conductivity
10.00 W/m·K
  
99+
20.00 W/m·K
  
99+
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
Not Available
  
23.50 µm/(m·K)
  
16
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
60.30 kJ/mol
  
99+
Enthalpy of Fusion
14.39 kJ/mol
  
24
13.00 kJ/mol
  
26
Enthalpy of Atomization
268.00 kJ/mol
  
40
134.00 kJ/mol
  
99+
Standard Molar Entropy
Not Available
  
Not Available