Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Ba Barium | Be Beryllium |
|---|---|---|
| Atomic Number | 56 higher | 4 higher |
| Symbol | Ba different | Be different |
| Name | Barium different | Beryllium different |
| Atomic Mass | 137.33 higher | 9.0122 higher |
| Category | Alkaline Earth Metals same value | Alkaline Earth Metals same value |
| Period | 6 higher | 2 higher |
| Group | 2 same value | 2 same value |
| Block | s-Block same value | s-Block same value |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 0.89 lower | 1.57 lower |
| Atomic Radius | 268 higher | 153 higher |
| Ionization Energy | 5.212 lower | 9.323 lower |
| Electron Affinity | — no data | — no data |
| Oxidation States | +2 same value | +2 same value |
| Melting Point | 1000 K (726.85 °C) lower | 1560 K (1286.85 °C) lower |
| Boiling Point | 2170 K (1896.85 °C) lower | 2744 K (2470.85 °C) lower |
| Density | 3.62 higher | 1.85 higher |
| Electron Configuration | [Xe]6s2 different | [He]2s2 different |
| Year Discovered | 1808 different | 1798 different |
higher lower
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