| Quantity | Value | Units | Value | Units |
| Atomic number | 6 | |||
| Atomic mass | [12.0107(8)] | g mole-1 | ||
| Specific gravity | 2.265 | g cm-3 | ||
| Mean excitation energy | 78.0 | eV | ||
| Minimum ionization | 1.745 | MeV g-1cm2 | 3.952 | MeV cm-1 |
| Nuclear collision length | 59.2 | g cm-2 | 26.14 | cm |
| Nuclear interaction length | 85.8 | g cm-2 | 37.89 | cm |
| Pion collision length | 86.5 | g cm-2 | 38.17 | cm |
| Pion interaction length | 117.8 | g cm-2 | 52.00 | cm |
| Radiation length | 42.70 | g cm-2 | 18.85 | cm |
| Critical energy | 81.67 | MeV (for e-) | 79.44 | MeV (for e+) |
| Molière radius | 11.09 | g cm-2 | 4.894 | cm |
| Plasma energy ℏωp | 30.65 | eV | ||
| Muon critical energy | 1057. | GeV |