Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Ba Barium | Os Osmium |
|---|---|---|
| Atomic Number | 56 lower | 76 lower |
| Symbol | Ba different | Os different |
| Name | Barium different | Osmium different |
| Atomic Mass | 137.33 lower | 190.2 lower |
| Category | Alkaline Earth Metals different | Transition Metals different |
| Period | 6 same value | 6 same value |
| Group | 2 lower | 8 lower |
| Block | s-Block different | d-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 0.89 lower | 2.2 lower |
| Atomic Radius | 268 higher | 216 higher |
| Ionization Energy | 5.212 lower | 8.7 lower |
| Electron Affinity | — no data | 1.1 no data |
| Oxidation States | +2 different | +4, +3 different |
| Melting Point | 1000 K (726.85 °C) lower | 3306 K (3032.85 °C) lower |
| Boiling Point | 2170 K (1896.85 °C) lower | 5285 K (5011.85 °C) lower |
| Density | 3.62 lower | 22.57 lower |
| Electron Configuration | [Xe]6s2 different | [Xe]6s2 4f14 5d6 different |
| Year Discovered | 1808 different | 1803 different |
higher lower
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