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Industrial alloys
Precious metals
Rubidium Other metals

Physical Properties
Density at 20° C     1.532g / cm³
Boiling point     688° C
Melting point     39° C
Mechanical Properties
Material Annealed Hardened Polycrystalline
Vickers hardness      
Mohs hardness     0.30
Tensile Strenght      
Creep tension      
Tension modulus     2.35 GPa
Compressibility modulus     2.50 GPa
Rho ratio     0.30
Izod resistance      
Atomic Properties
Atomic number     37
Atomic weight     85.4678 amu
Photoelectrical function     2.10 eV
Crystal structure     BCC
Atomic beam     0.251 nm
Neutron absorption cross section     0.5 Bams
Electronic structure     Kr 5s1
Valency numbers     1.2.3.4
Thermal Properties
Thermal conductivity from 0° to 100° C     58.2 W m-1 K-1
Linear expansion coefficient from 0° to 100°C     9.00 x10-6 K-1
Specific heat at 25°C     360 J K-1 kg-1
Latent heat of fusion     25.7 J g-1
Latent heat of evaporation     887 J g-1
Electrical Properties
Resistivity at 20°C     12.10 µ cm
Temperature coefficient from 0°C to 100°C     0.00480 K-1
Thermal EMF on hot end plate at 100°C      
Critical point of superconductivity