Argon: electronic configuration and properties
Argon has atomic number 18 and electronic configuration [Ne] 3s2 3p6. Explore its periodic behaviour and open the interactive atom model.
Open Argon in 3DKey properties of Argon
- Symbol
- Ar
- Atomic number
- 18
- Atomic mass
- 39.948(1)
- Family
- noble gas
- Electronic configuration
- [Ne] 3s2 3p6
- Shell distribution
- 2, 8, 8
- Oxidation states
- Not listed
- Standard state
- gas
Periodic behaviour
Atomic radius: 97 pm. Electronegativity: not experimentally determined. First ionisation energy: 1521 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 Argon.
Related noble gas elements
Frequently asked questions
What is the electronic configuration of Argon?
Argon has electronic configuration [Ne] 3s2 3p6, with shell distribution 2, 8, 8.
What are the oxidation states of Argon?
No common oxidation state is listed for Argon in this dataset.
How can I view the Argon atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.