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