Ruthenium
Revision as of 14:14, 13 February 2007 by Jarogers2001 (talk | contribs)
| Ruthenium | |
|---|---|
| Ru | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 44 |
| Atomic mass: | 101.07 |
| group: | 8 |
| period: | 5 |
| normal phase: | Solid |
| series: | Transition Metals |
| density: | 12.45 g/cm3 |
| melting point: | 2607K, 2334°C, 4233°F |
| boiling point: | 4423K, 4150°C, 7502°F |
| Mn ← Fe → Co | |
| Tc ← Ru → Rh | |
| Re ← Os → Ir | |
| Atomic radius (pm): | 130 |
| Bohr radius (pm): | 178 |
| Covalent radius (pm): | 126 |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+3) 68 |
| 1st ion potential (eV): | 7.36 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d7 5s1 | |
| Electrons Per Shell | |
| 2, 8, 18, 15, 1 | |
| Electronegativity: | 2.2 |
| Electron Affinity: | 1.05 |
| Oxidation states: | 2, 3, 4, 6, 8 |
| Magnetism: | ? |
| Crystal structure: | Hexagonal |
Ruthenium is a Transition Metal in group 8.
It has a Hexagonal crystalline structure.
This element has 7 stable isotopes: 96, 98, 99, 100, 101, 102, and 104.
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