Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Th Thorium | Db Dubnium |
|---|---|---|
| Atomic Number | 90 lower | 105 lower |
| Symbol | Th different | Db different |
| Name | Thorium different | Dubnium different |
| Atomic Mass | 232.038 lower | 268.126 lower |
| Category | Actinides different | Transition Metals different |
| Period | 7 same value | 7 same value |
| Group | 3 lower | 5 lower |
| Block | f-Block different | d-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 1.3 no data | — no data |
| Atomic Radius | 237 no data | — no data |
| Ionization Energy | 6.08 no data | — no data |
| Electron Affinity | — no data | — no data |
| Oxidation States | +4 different | 5, 4, 3 different |
| Melting Point | 2023 K (1749.85 °C) no data | — no data |
| Boiling Point | 5061 K (4787.85 °C) no data | — no data |
| Density | 11.72 no data | — no data |
| Electron Configuration | [Rn]7s2 6d2 different | [Rn]7s2 5f14 6d3 different |
| Year Discovered | 1828 different | 1967 different |
higher lower
Advertisement