Carbon (C)
Element 6 Ā· Reactive nonmetal
Carbon (C) is a chemical element with atomic number 6. It is classified as a reactive nonmetal in period 2, group 14 of the periodic table (the p-block). Its standard atomic weight is 12.011 u and its ground-state electron configuration is [He] 2sĀ² 2pĀ².
Carbon facts
| Atomic number (Z) | 6 |
|---|---|
| Symbol | C |
| Standard atomic weight | 12.011 u |
| Category | Reactive nonmetal |
| Group | 14 |
| Period | 2 |
| Block | p-block |
| Electron configuration | [He] 2sĀ² 2pĀ² |
| Electronegativity (Pauling) | 2.55 |
| State at 20 Ā°C | Solid |
| Protons / electrons | 6 / 6 |
| Neutrons (most common isotope, approx.) | 6 |
| Molar mass | 12.011 g/mol |