Rutherfordium vs Dubnium
Pick up to 3 elements and see how they stack up.
| Property | Rutherfordium | Dubnium |
|---|---|---|
| Atomic number | 104 | 105 |
| Atomic mass | 267 | 268 |
| Electronegativity | — | — |
| Melting point | — | — |
| Boiling point | — | — |
| Density | — | — |
| Atomic radius | — | — |
| Ionization energy | — | — |
| Discovered | 1964 | 1967 |
| Category | Transition metal | Transition metal |
| State at room temp. | Unknown | Unknown |
| Block | d | d |
| Group | 4 | 5 |
| Period | 7 | 7 |
| Valence electrons | 2 | 2 |
| Common charges | +4 | +3, +4, +5 |
| Electron configuration | [Rn] 5f14 6d2 7s2 | [Rn] 5f14 6d3 7s2 |