Nihonium vs Flerovium
Side-by-side comparison of Nihonium (Nh, element 113) and Flerovium (Fl, element 114) by atomic structure and physical properties.
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| Atomic number | 113 | 114 |
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| Symbol | Nh | Fl |
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| Name | Nihonium | Flerovium |
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| Category | post-transition-metal | post-transition-metal |
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| Standard Atomic Weight | 286 u | 289 u |
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| Period | 7 | 7 |
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| Group | 13 | 14 |
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| Block | p | p |
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| Phase at STP | Solid | Gas |
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| Electron configuration | [Rn]5f146d107s27p1 (Predicted) | [Rn]5f146d107s27p2 (Predicted) |
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| Oxidation states | N/A | [0, 1, 2, 4, 6] |
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| Electronegativity (Pauling) | N/A | N/A |
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| Electron affinity | 0.69 eV | -0.5 eV |
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| Density | 1.6e+4 kg/m³ | 9928 kg/m³ |
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| Melting point | 426.85 °C | N/A |
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| Boiling point | 1156.85 °C | -63.15 °C |
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| Discovery year | 2004 | 1998 |
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Key Differences
| Nh Nihonium | Fl Flerovium |
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| Standard Atomic Weight | 286 u ↓ lower | 289 u ↑ higher |
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| Density | 1.6e+4 kg/m³ ↑ higher | 9928 kg/m³ ↓ lower |
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| Boiling point | 1156.85 °C ↑ higher | -63.15 °C ↓ lower |
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| Electron affinity | 0.69 eV ↑ higher | -0.5 eV ↓ lower |
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| Group | 13 | 14 |
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| Phase at STP | Solid | Gas |
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| Electron configuration | [Rn]5f146d107s27p1 (Predicted) | [Rn]5f146d107s27p2 (Predicted) |
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| Discovery year | 2004 | 1998 |
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