Silicon vs Germanium
Pick up to 3 elements and see how they stack up.
| Property | Silicon | Germanium |
|---|---|---|
| Atomic number | 14 | 32 |
| Atomic mass | 28.085 | 72.63 |
| Electronegativity | 1.9 | 2.01 |
| Melting point | 1,687 K (1,413.8 °C) | 1,211.4 K (938.3 °C) |
| Boiling point | 3,538 K (3,264.8 °C) | 3,106 K (2,832.8 °C) |
| Density | 2.329 g/cm³ | 5.323 g/cm³ |
| Atomic radius | 210 pm | 211 pm |
| Ionization energy | 8.152 eV | 7.9 eV |
| Discovered | 1823 | 1886 |
| Category | Metalloid | Metalloid |
| State at room temp. | Solid | Solid |
| Block | p | p |
| Group | 14 | 14 |
| Period | 3 | 4 |
| Valence electrons | 4 | 4 |
| Common charges | +4, −4 | +4, −4 |
| Electron configuration | [Ne] 3s2 3p2 | [Ar] 3d10 4s2 4p2 |