Rubidium (Rb)

Precious Metals | Atomic Number: 37

Basic Properties

Rb
37
85.468 g/mol
Element Category Precious Metals
Atomic Number 37
Atomic Weight 85.468 g/mol
Crystal Structure Body-centered cubic (BCC)

Crystal Structure Visualization

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Description

Rubidium is a soft, silvery-white metallic element. It's highly reactive and used in atomic clocks and specialized glass.
Density 1.53 g/cm³
Tensile Strength N/A
Hardness Soft
Melting Point 39.3°C
Boiling Point 688°C
Thermal Conductivity 58 W/(m·K)
Electrical Conductivity 8.3 × 10^6 S/m
Corrosion Resistance Very Low

Applications

Used in research and specialty glasses.

Production Methods

Obtained from lepidolite.

History

Discovered in 1861.