Sodium vs Silicon
| Property | Na Sodium | Si Silicon |
|---|---|---|
| Atomic number | 11 | 14 |
| Symbol | Na | Si |
| Name | Sodium | Silicon |
| Category | alkali-metal | metalloid |
| Standard Atomic Weight | 22.989769 u | 28.085 u |
| Period | 3 | 3 |
| Group | 1 | 14 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Ne]3s1 | [Ne]3s23p2 |
| Oxidation states | [-1, 0, 1] | [-4, -3, -2, -1, 0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | 0.93 | 1.9 |
| Electron affinity | 0.5479 eV | 1.385 eV |
| Density | 970 kg/m³ | 2329.6 kg/m³ |
| Melting point | 97.8 °C | 1413.85 °C |
| Boiling point | 882.85 °C | 3264.85 °C |
| Discovery year | 1807 | 1824 |