Carbon vs Silicon
Pick up to 3 elements and see how they stack up.
| Property | Carbon | Silicon |
|---|---|---|
| Atomic number | 6 | 14 |
| Atomic mass | 12.011 | 28.085 |
| Electronegativity | 2.55 | 1.9 |
| Melting point | 3,823 K (3,549.8 °C) | 1,687 K (1,413.8 °C) |
| Boiling point | 4,098 K (3,824.8 °C) | 3,538 K (3,264.8 °C) |
| Density | 2.267 g/cm³ | 2.329 g/cm³ |
| Atomic radius | 170 pm | 210 pm |
| Ionization energy | 11.26 eV | 8.152 eV |
| Discovered | Ancient | 1823 |
| Category | Reactive nonmetal | Metalloid |
| State at room temp. | Solid | Solid |
| Block | p | p |
| Group | 14 | 14 |
| Period | 2 | 3 |
| Valence electrons | 4 | 4 |
| Common charges | +4, −4 | +4, −4 |
| Electron configuration | [He] 2s2 2p2 | [Ne] 3s2 3p2 |