37Rb
Rubidium
Alkali metal
Properties of Rubidium
- Atomic number (Z)
- 37
- Symbol
- Rb
- Name
- Rubidium
- Atomic mass
- 85.468 u
- Period
- 5
- Group
- 1
- Family
- Alkali metals
- Classification
- Alkali metal
- Electron configuration
- [Kr] 5s¹
About Rubidium
Rubidium is a chemical element with symbol Rb and atomic number 37 (atomic mass of about 85.468 u). It is classified as a alkali metal on the periodic table.
On the periodic table, Rubidium is located in period 5, in group 1, belonging to the alkali metals family. An element's position reveals trends in its properties, such as atomic radius, electronegativity and metallic character.
The electron configuration of Rubidium is [Kr] 5s¹, which determines how it forms chemical bonds and takes part in reactions.