Mendelevium: electronic configuration and properties
Mendelevium has atomic number 101 and electronic configuration [Rn] 5f13 7s2. Explore its periodic behaviour and open the interactive atom model.
Open Mendelevium in 3DKey properties of Mendelevium
- Symbol
- Md
- Atomic number
- 101
- Atomic mass
- 258
- Family
- actinoid
- Electronic configuration
- [Rn] 5f13 7s2
- Shell distribution
- 2, 8, 18, 32, 31, 8, 2
- Oxidation states
- 2, 3
- Standard state
- Not experimentally determined
Periodic behaviour
Atomic radius: not experimentally determined. Electronegativity: 1.3. First ionisation energy: 635 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 Mendelevium.
Related actinoid elements
Frequently asked questions
What is the electronic configuration of Mendelevium?
Mendelevium has electronic configuration [Rn] 5f13 7s2, with shell distribution 2, 8, 18, 32, 31, 8, 2.
What are the oxidation states of Mendelevium?
The listed oxidation states are 2, 3.
How can I view the Mendelevium atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.