NEET Chemistry
Lithium: electronic configuration and properties
Lithium has atomic number 3 and electronic configuration [He] 2s1. Explore its periodic behaviour and open the interactive atom model.
Open Lithium in 3DKey properties of Lithium
- Symbol
- Li
- Atomic number
- 3
- Atomic mass
- 6.941(2)
- Family
- alkali metal
- Electronic configuration
- [He] 2s1
- Shell distribution
- 2, 1
- Oxidation states
- 1
- Standard state
- solid
Periodic behaviour
Atomic radius: 134 pm. Electronegativity: 0.98. First ionisation energy: 520 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 Lithium.
Related alkali metal elements
Frequently asked questions
What is the electronic configuration of Lithium?
Lithium has electronic configuration [He] 2s1, with shell distribution 2, 1.
What are the oxidation states of Lithium?
The listed oxidation states are 1.
How can I view the Lithium atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.