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Rubidium Element

Rubidium
Atomic Number : 37
Atomic Weight : 85.4678
Boiling Point : 688oC
Melting Point : 39.31oC
Phase at Room Temperature: : Solid
Element Classification: : Metal
Period Number: : 5
Discovered Year: : 1861
Discovered by: : Robert Bunsen and Gustav Kirchhoff .

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