Rubidium
(Rb)
332W
281881
Rb
Category
Alkali metal
Relative atomic mass
85.4678
Density
1.53
Melting point (°C)
39.31
Boiling point (°C)
688
Electronegativity (Pauling)
0.8
Discovery year
1861
Electrons: 37
Protons: 37
Neutrons: 48
created by @lukaswyss
Rubidium (Rb) – Element 37