Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Ba Barium | La Lanthanum |
|---|---|---|
| Atomic Number | 56 lower | 57 lower |
| Symbol | Ba different | La different |
| Name | Barium different | Lanthanum different |
| Atomic Mass | 137.33 lower | 138.9055 lower |
| Category | Alkaline Earth Metals different | Lanthanides different |
| Period | 6 same value | 6 same value |
| Group | 2 lower | 3 lower |
| Block | s-Block different | f-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 0.89 lower | 1.1 lower |
| Atomic Radius | 268 higher | 240 higher |
| Ionization Energy | 5.212 lower | 5.577 lower |
| Electron Affinity | — no data | 0.5 no data |
| Oxidation States | +2 different | +3 different |
| Melting Point | 1000 K (726.85 °C) lower | 1191 K (917.85 °C) lower |
| Boiling Point | 2170 K (1896.85 °C) lower | 3737 K (3463.85 °C) lower |
| Density | 3.62 lower | 6.15 lower |
| Electron Configuration | [Xe]6s2 different | [Xe]6s2 5d1 different |
| Year Discovered | 1808 different | 1839 different |
higher lower
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