Rubidium

usgb/ruːˈbɪdiəm/
noun

A chemical element that is soft and has a silvery-white color.

Rubidium is often used in vacuum tubes as a getter, a material that combines with and removes trace gases from vacuum tubes.
Visual representation of "rubidium" - A chemical element that is soft and has a silvery-white color.

Often appears as...

  • rubidium compound
  • rubidium chloride

Usage tips

Technical

Definition 1 of 1
Visual representation of "rubidium"
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Element Symbol

Rubidium is represented by the symbol 'Rb' in the periodic table.

Illustration for Element Symbol
Rb is the atomic symbol for rubidium.
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Scientific Usage

Rubidium is a term mostly used in scientific contexts, not in everyday conversation.

Illustration for Scientific Usage
The scientist measured the rubidium content in the mineral sample.
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Chemical Properties

Rubidium reacts violently with water and should be handled with care.

Illustration for Chemical Properties
She wore gloves when handling rubidium due to its reactivity with moisture.
Visual representation of the word "Rubidium"

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