Mechanical Properties of Francium and Nihonium
Density
  
  
Density At Room Temperature
1.87 g/cm3
  
99+
16.00 g/cm3
  
19
Tensile Strength
Not Available
  
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Elasticity properties
  
  
Poisson Ratio
Not Available
  
Not Available
  
Other Mechanical Properties
NA
  
Unknown