NEET Chemistry
Rubidium: electronic configuration and properties
Rubidium has atomic number 37 and electronic configuration [Kr] 5s1. Explore its periodic behaviour and open the interactive atom model.
Open Rubidium in 3DKey properties of Rubidium
- Symbol
- Rb
- Atomic number
- 37
- Atomic mass
- 85.4678(3)
- Family
- alkali metal
- Electronic configuration
- [Kr] 5s1
- Shell distribution
- 2, 8, 18, 8, 1
- Oxidation states
- 1
- Standard state
- solid
Periodic behaviour
Atomic radius: 211 pm. Electronegativity: 0.82. First ionisation energy: 403 kJ/mol. Use these values comparatively across a period or group rather than memorising them in isolation.
NEET exam focus
For NEET, prioritise the NCERT electronic configuration, periodic position, common oxidation states, and direct trend-based comparisons involving Rubidium.
Related alkali metal elements
Frequently asked questions
What is the electronic configuration of Rubidium?
Rubidium has electronic configuration [Kr] 5s1, with shell distribution 2, 8, 18, 8, 1.
What are the oxidation states of Rubidium?
The listed oxidation states are 1.
How can I view the Rubidium atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.