Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | B Boron | Ga Gallium |
|---|---|---|
| Atomic Number | 5 lower | 31 lower |
| Symbol | B different | Ga different |
| Name | Boron different | Gallium different |
| Atomic Mass | 10.81 lower | 69.723 lower |
| Category | Metalloids different | Post-transition Metals different |
| Period | 2 lower | 4 lower |
| Group | 13 same value | 13 same value |
| Block | p-Block same value | p-Block same value |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 2.04 higher | 1.81 higher |
| Atomic Radius | 192 higher | 187 higher |
| Ionization Energy | 8.298 higher | 5.999 higher |
| Electron Affinity | 0.277 lower | 0.3 lower |
| Oxidation States | +3 same value | +3 same value |
| Melting Point | 2348 K (2074.85 °C) higher | 302.91 K (29.76 °C) higher |
| Boiling Point | 4273 K (3999.85 °C) higher | 2477 K (2203.85 °C) higher |
| Density | 2.37 lower | 5.91 lower |
| Electron Configuration | [He]2s2 2p1 different | [Ar]4s2 3d10 4p1 different |
| Year Discovered | 1808 different | 1875 different |
higher lower
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