NEET Chemistry
Scandium: electronic configuration and properties
Scandium has atomic number 21 and electronic configuration [Ar] 3d1 4s2. Explore its periodic behaviour and open the interactive atom model.
Open Scandium in 3DKey properties of Scandium
- Symbol
- Sc
- Atomic number
- 21
- Atomic mass
- 44.955912(6)
- Family
- transition metal
- Electronic configuration
- [Ar] 3d1 4s2
- Shell distribution
- 2, 8, 9, 2
- Oxidation states
- 1, 2, 3
- Standard state
- solid
Periodic behaviour
Atomic radius: 144 pm. Electronegativity: 1.36. First ionisation energy: 633 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 Scandium.
Related transition metal elements
Frequently asked questions
What is the electronic configuration of Scandium?
Scandium has electronic configuration [Ar] 3d1 4s2, with shell distribution 2, 8, 9, 2.
What are the oxidation states of Scandium?
The listed oxidation states are 1, 2, 3.
How can I view the Scandium atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.