NEET Chemistry
Strontium: electronic configuration and properties
Strontium has atomic number 38 and electronic configuration [Kr] 5s2. Explore its periodic behaviour and open the interactive atom model.
Open Strontium in 3DKey properties of Strontium
- Symbol
- Sr
- Atomic number
- 38
- Atomic mass
- 87.62(1)
- Family
- alkaline earth metal
- Electronic configuration
- [Kr] 5s2
- Shell distribution
- 2, 8, 18, 8, 2
- Oxidation states
- 2
- Standard state
- solid
Periodic behaviour
Atomic radius: 192 pm. Electronegativity: 0.95. First ionisation energy: 550 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 Strontium.
Related alkaline earth metal elements
Frequently asked questions
What is the electronic configuration of Strontium?
Strontium has electronic configuration [Kr] 5s2, with shell distribution 2, 8, 18, 8, 2.
What are the oxidation states of Strontium?
The listed oxidation states are 2.
How can I view the Strontium atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.