NEET Chemistry
Copper: electronic configuration and properties
Copper has atomic number 29 and electronic configuration [Ar] 3d10 4s1. Explore its periodic behaviour and open the interactive atom model.
Open Copper in 3DKey properties of Copper
- Symbol
- Cu
- Atomic number
- 29
- Atomic mass
- 63.546(3)
- Family
- transition metal
- Electronic configuration
- [Ar] 3d10 4s1
- Shell distribution
- 2, 8, 18, 1
- Oxidation states
- 1, 2, 3, 4
- Standard state
- solid
Periodic behaviour
Atomic radius: 138 pm. Electronegativity: 1.9. First ionisation energy: 746 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 Copper.
Related transition metal elements
Frequently asked questions
What is the electronic configuration of Copper?
Copper has electronic configuration [Ar] 3d10 4s1, with shell distribution 2, 8, 18, 1.
What are the oxidation states of Copper?
The listed oxidation states are 1, 2, 3, 4.
How can I view the Copper atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.