Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Sr Strontium | Ru Ruthenium |
|---|---|---|
| Atomic Number | 38 lower | 44 lower |
| Symbol | Sr different | Ru different |
| Name | Strontium different | Ruthenium different |
| Atomic Mass | 87.62 lower | 101.1 lower |
| Category | Alkaline Earth Metals different | Transition Metals different |
| Period | 5 same value | 5 same value |
| Group | 2 lower | 8 lower |
| Block | s-Block different | d-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 0.95 lower | 2.2 lower |
| Atomic Radius | 249 higher | 207 higher |
| Ionization Energy | 5.695 lower | 7.361 lower |
| Electron Affinity | — no data | 1.05 no data |
| Oxidation States | +2 different | +3 different |
| Melting Point | 1050 K (776.85 °C) lower | 2607 K (2333.85 °C) lower |
| Boiling Point | 1655 K (1381.85 °C) lower | 4423 K (4149.85 °C) lower |
| Density | 2.64 lower | 12.1 lower |
| Electron Configuration | [Kr]5s2 different | [Kr]5s1 4d7 different |
| Year Discovered | 1790 different | 1827 different |
higher lower
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