Rubidium metal exploding violently in water with reddish-purple flames

A short silent video about Rubidium (Rb), element 37, alkali metal. Rubidium is a soft, highly reactive alkali metal that ignites spontaneously in air.

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• Rubidium metal exploding violently in water with reddish-purple flames (this video)

Explore Rubidium: facts, properties and a 3D atom · Back to the periodic table