NEET Chemistry
Magnesium: electronic configuration and properties
Magnesium has atomic number 12 and electronic configuration [Ne] 3s2. Explore its periodic behaviour and open the interactive atom model.
Open Magnesium in 3DKey properties of Magnesium
- Symbol
- Mg
- Atomic number
- 12
- Atomic mass
- 24.3050(6)
- Family
- alkaline earth metal
- Electronic configuration
- [Ne] 3s2
- Shell distribution
- 2, 8, 2
- Oxidation states
- 1, 2
- Standard state
- solid
Periodic behaviour
Atomic radius: 130 pm. Electronegativity: 1.31. First ionisation energy: 738 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 Magnesium.
Related alkaline earth metal elements
Frequently asked questions
What is the electronic configuration of Magnesium?
Magnesium has electronic configuration [Ne] 3s2, with shell distribution 2, 8, 2.
What are the oxidation states of Magnesium?
The listed oxidation states are 1, 2.
How can I view the Magnesium atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.