44
Ru
Ruthenium
Ruthenium
Ruthenium (Ru)
Transition Metals · Solid · Period 5 · Group 8
Element Properties
- Atomic Number
- 44
- Symbol
- Ru
- Atomic Mass
- 101.1
- Category
- Transition Metals
- Standard State
- Solid
- Period
- 5
- Group
- 8
- Electronegativity
- 2.2
- Atomic Radius
- 207
- Ionization Energy
- 7.36
- Electron Affinity
- 1.05
- Oxidation States
- +3
- Melting Point
- 2607 K (2333.85 °C)
- Boiling Point
- 4423 K (4149.85 °C)
- Density
- 12.1
- Electron Configuration
- [Kr]5s1 4d7
- Year Discovered
- 1827
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Frequently asked questions
What is the atomic number of Ruthenium?
The atomic number of Ruthenium is 44, which equals the number of protons in its nucleus.
What is the atomic mass of Ruthenium?
The atomic mass of Ruthenium is approximately 101.1 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Ruthenium?
The electron configuration of Ruthenium is [Kr]5s1 4d7.
Where is Ruthenium in the periodic table?
Ruthenium is located in period 5, group 8.
When was Ruthenium discovered?
Ruthenium was discovered in 1827.