Chlorine vs Nihonium
| Property | Cl Chlorine | Nh Nihonium |
|---|---|---|
| Atomic number | 17 | 113 |
| Symbol | Cl | Nh |
| Name | Chlorine | Nihonium |
| Category | halogen | post-transition-metal |
| Standard Atomic Weight | 35.4515 u | 286 u |
| Period | 3 | 7 |
| Group | 17 | 13 |
| Block | p | p |
| Phase at STP | gas | solid |
| Electron configuration | [Ne]3s23p5 | [Rn] 5f14 6d10 7s2 7p1(predicted) |
| Oxidation states | [-1, 1, 2, 3, 4, 5, 6, 7] | N/A |
| Electronegativity (Pauling) | 3.16 | N/A |
| Electron affinity | 3.6127 eV | 0.6 eV |
| Density | 3.214 kg/m³ | 1.600000e+4 kg/m³ |
| Melting point | -101.5 °C | 426.85 °C |
| Boiling point | -34.04 °C | 1156.85 °C |
| Discovery year | 1774 | 2004 |