Sydney Dubas

Basic Information

Rubidium (Rb) has an atomic number of 37. The atomic weight of Rubidium is 85. Rubidium is in the first group and period 5. The color of Rubidium is a silvery-white and classified as metallic.

Biology (in humans)

Stimulates metabolism

Geology (in the uviverse)

Rubidium is not found in nature and rare.


Melting point is 40 degrees Celsius. Rubidium is very reactive. Also the color of its flame is a yellowish purple.

Interesting Facts

Rubidium can ignite spontaneously in air and it reacts violently with water. Rubidium also , forms amalgams with mercury.