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Rubidium (Rb) Element

Basic Infomation

Name: Rubidium 

Symbol: Rb 

Atomic Number: 37 

Atomic Mass: 85.4678 amu 

Melting Point: 38.89 °C (312.04 °K, 102.002 °F) 

Boiling Point: 688.0 °C (961.15 °K, 1270.4 °F)

Number of Protons/Electrons: 37 

Number of Neutrons: 48 

Classification: Alkali Metal 

Crystal Structure: Cubic 

Density @ 293 K: 1.532 g/cm3 

Color: silver


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