Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Ca Calcium | Ga Gallium |
|---|---|---|
| Atomic Number | 20 lower | 31 lower |
| Symbol | Ca different | Ga different |
| Name | Calcium different | Gallium different |
| Atomic Mass | 40.08 lower | 69.723 lower |
| Category | Alkaline Earth Metals different | Post-transition Metals different |
| Period | 4 same value | 4 same value |
| Group | 2 lower | 13 lower |
| Block | s-Block different | p-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 1 lower | 1.81 lower |
| Atomic Radius | 231 higher | 187 higher |
| Ionization Energy | 6.113 higher | 5.999 higher |
| Electron Affinity | — no data | 0.3 no data |
| Oxidation States | +2 different | +3 different |
| Melting Point | 1115 K (841.85 °C) higher | 302.91 K (29.76 °C) higher |
| Boiling Point | 1757 K (1483.85 °C) lower | 2477 K (2203.85 °C) lower |
| Density | 1.54 lower | 5.91 lower |
| Electron Configuration | [Ar]4s2 different | [Ar]4s2 3d10 4p1 different |
| Year Discovered | Ancient different | 1875 different |
higher lower
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