Ruthenium: electronic configuration and properties
Ruthenium has atomic number 44 and electronic configuration [Kr] 4d7 5s1. Explore its periodic behaviour and open the interactive atom model.
Open Ruthenium in 3DKey properties of Ruthenium
- Symbol
- Ru
- Atomic number
- 44
- Atomic mass
- 101.07(2)
- Family
- transition metal
- Electronic configuration
- [Kr] 4d7 5s1
- Shell distribution
- 2, 8, 18, 15, 1
- Oxidation states
- -2, 1, 2, 3, 4, 5, 6, 7, 8
- Standard state
- solid
Periodic behaviour
Atomic radius: 126 pm. Electronegativity: 2.2. First ionisation energy: 710 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 Ruthenium.
Related transition metal elements
Frequently asked questions
What is the electronic configuration of Ruthenium?
Ruthenium has electronic configuration [Kr] 4d7 5s1, with shell distribution 2, 8, 18, 15, 1.
What are the oxidation states of Ruthenium?
The listed oxidation states are -2, 1, 2, 3, 4, 5, 6, 7, 8.
How can I view the Ruthenium atom in 3D?
PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.