Rubidium

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Rubidium

Rubidium (pronunciation: roo-BID-ee-əm) is a chemical element with the symbol Rb and atomic number 37. Rubidium is a very soft, silvery-white metal in the alkali metal group.

Etymology

The name Rubidium comes from the Latin word rubidus, meaning deep red, due to the bright red lines in its emission spectrum.

Properties and Uses

Rubidium is a highly reactive metal, similar to other elements in group 1 of the periodic table. It reacts violently with water and can ignite spontaneously in air.

In medicine, Rubidium is used in the form of Rubidium Chloride in heart imaging to evaluate myocardial perfusion. It is also used in the treatment of certain mental health disorders, including depression and anxiety.

Related Terms

  • Alkali metal: A group of chemical elements in the periodic table with similar properties; they are shiny, soft, highly reactive metals at standard temperature and pressure and readily lose their outermost electron to form cations with charge +1.
  • Rubidium Chloride: A chemical compound with the formula RbCl, used in biochemistry to induce cells to take up DNA, and in medicine for heart imaging.
  • Periodic table: A tabular arrangement of the chemical elements, organized based on their atomic number, electron configuration, and recurring chemical properties.

See Also

External links

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