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Ru
Ruthenium
#44 · Transition Metal
| Mass | 101.07 u |
| Density | 12.37 g/cm³ |
| Melting | 2607.0 K |
| Boiling | 4423.0 K |
| Electronegativity | 2.2 |
| Ionization Energy | 710.2 kJ/mol |
| Atomic Radius | 134.0 pm |
| Block | d-block |
| State (RT) | Solid |
| Config | [Kr] 4d7 5s1 |