Silicon vs Copernicium
| Property | Si Silicon | Cn Copernicium |
|---|---|---|
| Atomic number | 14 | 112 |
| Symbol | Si | Cn |
| Name | Silicon | Copernicium |
| Category | metalloid | transition-metal |
| Standard Atomic Weight | 28.085 u | 285 u |
| Period | 3 | 7 |
| Group | 14 | 12 |
| Block | p | s |
| Phase at STP | solid | gas |
| Electron configuration | [Ne]3s23p2 | [Rn] 7s2 5f14 6d10(predicted) |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [2, 4] |
| Electronegativity (Pauling) | 1.9 | N/A |
| Electron affinity | 1.385 eV | -0.8 eV |
| Density | 2329.6 kg/m³ | 1.400000e+4 kg/m³ |
| Melting point | 1413.85 °C | -273.15 °C |
| Boiling point | 3264.85 °C | -165.15 °C |
| Discovery year | 1824 | 1996 |