Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Sr Strontium | Ba Barium |
|---|---|---|
| Atomic Number | 38 lower | 56 lower |
| Symbol | Sr different | Ba different |
| Name | Strontium different | Barium different |
| Atomic Mass | 87.62 lower | 137.33 lower |
| Category | Alkaline Earth Metals same value | Alkaline Earth Metals same value |
| Period | 5 lower | 6 lower |
| 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 | 0.95 higher | 0.89 higher |
| Atomic Radius | 249 lower | 268 lower |
| Ionization Energy | 5.695 higher | 5.212 higher |
| Electron Affinity | — no data | — no data |
| Oxidation States | +2 same value | +2 same value |
| Melting Point | 1050 K (776.85 °C) higher | 1000 K (726.85 °C) higher |
| Boiling Point | 1655 K (1381.85 °C) lower | 2170 K (1896.85 °C) lower |
| Density | 2.64 lower | 3.62 lower |
| Electron Configuration | [Kr]5s2 different | [Xe]6s2 different |
| Year Discovered | 1790 different | 1808 different |
higher lower
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