Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Ba Barium | Mg Magnesium |
|---|---|---|
| Atomic Number | 56 higher | 12 higher |
| Symbol | Ba different | Mg different |
| Name | Barium different | Magnesium different |
| Atomic Mass | 137.33 higher | 24.305 higher |
| Category | Alkaline Earth Metals same value | Alkaline Earth Metals same value |
| Period | 6 higher | 3 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 | 1.31 lower |
| Atomic Radius | 268 higher | 173 higher |
| Ionization Energy | 5.212 lower | 7.646 lower |
| Electron Affinity | — no data | — no data |
| Oxidation States | +2 same value | +2 same value |
| Melting Point | 1000 K (726.85 °C) higher | 923 K (649.85 °C) higher |
| Boiling Point | 2170 K (1896.85 °C) higher | 1363 K (1089.85 °C) higher |
| Density | 3.62 higher | 1.74 higher |
| Electron Configuration | [Xe]6s2 different | [Ne]3s2 different |
| Year Discovered | 1808 same value | 1808 same value |
higher lower
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