Tellurium: electronic configuration and properties
Tellurium has atomic number 52 and electronic configuration [Kr] 4d10 5s2 5p4. Explore its periodic behaviour and open the interactive atom model.
Open Tellurium in 3DKey properties of Tellurium
- Symbol
- Te
- Atomic number
- 52
- Atomic mass
- 127.60(3)
- Family
- metalloid
- Electronic configuration
- [Kr] 4d10 5s2 5p4
- Shell distribution
- 2, 8, 18, 18, 6
- Oxidation states
- -2, 2, 4, 5, 6
- Standard state
- solid
Periodic behaviour
Atomic radius: 135 pm. Electronegativity: 2.1. First ionisation energy: 869 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 Tellurium.
Related metalloid elements
Frequently asked questions
What is the electronic configuration of Tellurium?
Tellurium has electronic configuration [Kr] 4d10 5s2 5p4, with shell distribution 2, 8, 18, 18, 6.
What are the oxidation states of Tellurium?
The listed oxidation states are -2, 2, 4, 5, 6.
How can I view the Tellurium atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.