Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Ru Ruthenium | Os Osmium |
|---|---|---|
| Atomic Number | 44 lower | 76 lower |
| Symbol | Ru different | Os different |
| Name | Ruthenium different | Osmium different |
| Atomic Mass | 101.1 lower | 190.2 lower |
| Category | Transition Metals same value | Transition Metals same value |
| Period | 5 lower | 6 lower |
| Group | 8 same value | 8 same value |
| Block | d-Block same value | d-Block same value |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 2.2 same value | 2.2 same value |
| Atomic Radius | 207 lower | 216 lower |
| Ionization Energy | 7.361 lower | 8.7 lower |
| Electron Affinity | 1.05 lower | 1.1 lower |
| Oxidation States | +3 different | +4, +3 different |
| Melting Point | 2607 K (2333.85 °C) lower | 3306 K (3032.85 °C) lower |
| Boiling Point | 4423 K (4149.85 °C) lower | 5285 K (5011.85 °C) lower |
| Density | 12.1 lower | 22.57 lower |
| Electron Configuration | [Kr]5s1 4d7 different | [Xe]6s2 4f14 5d6 different |
| Year Discovered | 1827 different | 1803 different |
higher lower
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