Rubidium

Alkali metal in Group 1 of the periodic table.

Rubidium (Rb) is a soft, silvery-white alkali metal belonging to Group 1 of the periodic table. It is highly reactive and readily oxidizes in air, forming a protective oxide layer. Rubidium is used in specialized glass manufacturing, photocells, and atomic clocks.

/ˈruːbi.di.əm/

Rubidium is derived from the Latin word 'rubidus,' meaning red, referring to the red lines observed in its spectrum.

Rubidium is a silvery-white metal that's part of a group of metals called alkali metals, known for reacting easily with water.

What is rubidium used for? It's used in some special glasses and atomic clocks
Is it found naturally? Yes, it's found in minerals like lepidolite and spodumene
Is rubidium radioactive? Yes, all isotopes of rubidium are radioactive

alkali metal element

rubidium-87

periodic table Group 1

alkali metal chemical element element