Symbol: Rb

Atomic Number: 37

Atomic Weight: 85.47

Rubidium is a metal that belongs to the alkali group and forms alloys with elements such as potassium, sodium, cesium, and gold. It is silvery-white in color and soft and is composed of 2 isotopes. It was discovered by the German physicist Gustav Kirchhoff and the chemist Robert Bunsen in 1861. Studying the properties of lepidolite, which is a type of aluminum, potassium, and lithium silicate, they found a new metal and named it rubidium. The word comes from Latin and means deepest red.

Isotopes, Compounds, and Properties
Rubidium is water reactive and non-radioactive. It is found in minerals such as...Read More