NEET Chemistry

Radon: electronic configuration and properties

Radon has atomic number 86 and electronic configuration [Xe] 4f14 5d10 6s2 6p6. Explore its periodic behaviour and open the interactive atom model.

Open Radon in 3D

Key properties of Radon

Symbol
Rn
Atomic number
86
Atomic mass
222
Family
noble gas
Electronic configuration
[Xe] 4f14 5d10 6s2 6p6
Shell distribution
2, 8, 18, 32, 18, 8
Oxidation states
2
Standard state
gas

Periodic behaviour

Atomic radius: 145 pm. Electronegativity: not experimentally determined. First ionisation energy: 1037 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 Radon.

Related noble gas elements

Frequently asked questions

What is the electronic configuration of Radon?

Radon has electronic configuration [Xe] 4f14 5d10 6s2 6p6, with shell distribution 2, 8, 18, 32, 18, 8.

What are the oxidation states of Radon?

The listed oxidation states are 2.

How can I view the Radon atom in 3D?

PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.