Rubidium

Rubidium

Rb

Period is 5, number is 1.

Gustav Kirchkoff and Robert Bunsen discovered Rubidium in 1861.

State is solid, but can sometimes be liquid

Shiny metallic color

Atomic number: 37 Atomic mass: 85.47

37 protons, 48 neutrons and 37 electrons

Boiling point: 688 Degrees Celsius Melting Point: 39 Degrees Celsius

It is a metal (Alkali metal)

It is VERY explosive It’s flame is violet It was discovered by accident It is very similar to potassium It is the third most dangerous alkali metal, followed by Caesium and Francium.