Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Fe Iron | Ru Ruthenium |
|---|---|---|
| Atomic Number | 26 lower | 44 lower |
| Symbol | Fe different | Ru different |
| Name | Iron different | Ruthenium different |
| Atomic Mass | 55.84 lower | 101.1 lower |
| Category | Transition Metals same value | Transition Metals same value |
| Period | 4 lower | 5 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 | 1.83 lower | 2.2 lower |
| Atomic Radius | 194 lower | 207 lower |
| Ionization Energy | 7.902 higher | 7.361 higher |
| Electron Affinity | 0.163 lower | 1.05 lower |
| Oxidation States | +3, +2 different | +3 different |
| Melting Point | 1811 K (1537.85 °C) lower | 2607 K (2333.85 °C) lower |
| Boiling Point | 3134 K (2860.85 °C) lower | 4423 K (4149.85 °C) lower |
| Density | 7.874 lower | 12.1 lower |
| Electron Configuration | [Ar]4s2 3d6 different | [Kr]5s1 4d7 different |
| Year Discovered | Ancient different | 1827 different |
higher lower
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