Dubnium vs Seaborgium
Side-by-side comparison of Dubnium (Db, element 105) and Seaborgium (Sg, element 106) by atomic structure and physical properties.
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| Atomic number | 105 | 106 |
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| Symbol | Db | Sg |
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| Name | Dubnium | Seaborgium |
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| Category | transition-metal | transition-metal |
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| Standard Atomic Weight | 268 u | 269 u |
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| Period | 7 | 7 |
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| Group | 5 | 6 |
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| Block | d | d |
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| Phase at STP | N/A | N/A |
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| Electron configuration | [Rn]5f146d37s2 | [Rn]5f146d47s2 |
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| Oxidation states | [3, 4, 5] | [3, 4, 5, 6] |
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| Electronegativity (Pauling) | N/A | N/A |
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| Electron affinity | 0.56 eV | 0.85 eV |
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| Density | 2.93e+4 kg/m³ | 3.5e+4 kg/m³ |
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| Melting point | N/A | N/A |
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| Boiling point | N/A | N/A |
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| Discovery year | 1967 | 1974 |
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Key Differences
| Db Dubnium | Sg Seaborgium |
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| Standard Atomic Weight | 268 u ↓ lower | 269 u ↑ higher |
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| Density | 2.93e+4 kg/m³ ↓ lower | 3.5e+4 kg/m³ ↑ higher |
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| Electron affinity | 0.56 eV ↓ lower | 0.85 eV ↑ higher |
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| Group | 5 | 6 |
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| Electron configuration | [Rn]5f146d37s2 | [Rn]5f146d47s2 |
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| Discovery year | 1967 | 1974 |
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