Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Ca Calcium | Ba Barium |
|---|---|---|
| Atomic Number | 20 lower | 56 lower |
| Symbol | Ca different | Ba different |
| Name | Calcium different | Barium different |
| Atomic Mass | 40.08 lower | 137.33 lower |
| Category | Alkaline Earth Metals same value | Alkaline Earth Metals same value |
| Period | 4 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 | 1 higher | 0.89 higher |
| Atomic Radius | 231 lower | 268 lower |
| Ionization Energy | 6.113 higher | 5.212 higher |
| Electron Affinity | — no data | — no data |
| Oxidation States | +2 same value | +2 same value |
| Melting Point | 1115 K (841.85 °C) higher | 1000 K (726.85 °C) higher |
| Boiling Point | 1757 K (1483.85 °C) lower | 2170 K (1896.85 °C) lower |
| Density | 1.54 lower | 3.62 lower |
| Electron Configuration | [Ar]4s2 different | [Xe]6s2 different |
| Year Discovered | Ancient different | 1808 different |
higher lower
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