Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Ra Radium | Ba Barium |
|---|---|---|
| Atomic Number | 88 higher | 56 higher |
| Symbol | Ra different | Ba different |
| Name | Radium different | Barium different |
| Atomic Mass | 226.0254 higher | 137.33 higher |
| Category | Alkaline Earth Metals same value | Alkaline Earth Metals same value |
| Period | 7 higher | 6 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 | 0.9 higher | 0.89 higher |
| Atomic Radius | 283 higher | 268 higher |
| Ionization Energy | 5.279 higher | 5.212 higher |
| Electron Affinity | — no data | — no data |
| Oxidation States | +2 same value | +2 same value |
| Melting Point | 973 K (699.85 °C) lower | 1000 K (726.85 °C) lower |
| Boiling Point | 1413 K (1139.85 °C) lower | 2170 K (1896.85 °C) lower |
| Density | 5 higher | 3.62 higher |
| Electron Configuration | [Rn]7s2 different | [Xe]6s2 different |
| Year Discovered | 1898 different | 1808 different |
higher lower
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