The periodic table/Rubidium

Quick Facts
Name: Rubidium

Symbol: Rb

Protons: 37

Electrons: 37

Neutrons: 48

Color: Silver

Discovered in: 1861

Person who Discovered: R. Bunsen

Atomic number: 37

Atomic Mass: 85.4678 amu

Classification: Alkaline Metal

Crystal Structure: Cubic

Melting Point: 38.89 °C

Boiling Point: 688.0 °C