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