NEET Chemistry
Francium: electronic configuration and properties
Francium has atomic number 87 and electronic configuration [Rn] 7s1. Explore its periodic behaviour and open the interactive atom model.
Open Francium in 3DKey properties of Francium
- Symbol
- Fr
- Atomic number
- 87
- Atomic mass
- 223
- Family
- alkali metal
- Electronic configuration
- [Rn] 7s1
- Shell distribution
- 2, 8, 18, 32, 18, 8, 1
- Oxidation states
- 1
- Standard state
- solid
Periodic behaviour
Atomic radius: not experimentally determined. Electronegativity: 0.7. First ionisation energy: 380 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 Francium.
Related alkali metal elements
Frequently asked questions
What is the electronic configuration of Francium?
Francium has electronic configuration [Rn] 7s1, with shell distribution 2, 8, 18, 32, 18, 8, 1.
What are the oxidation states of Francium?
The listed oxidation states are 1.
How can I view the Francium atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.