| Quantity | Value | Units | Value | Units |
| Atomic number | 24 | |||
| Atomic mass | 51.9961(6) | g mole-1 | ||
| Specific gravity | 7.180 | g cm-3 | ||
| Mean excitation energy | 257.0 | eV | ||
| Minimum ionization | 1.456 | MeV g-1cm2 | 10.46 | MeV cm-1 |
| Nuclear collision length | 80.3 | g cm-2 | 11.19 | cm |
| Nuclear interaction length | 129.3 | g cm-2 | 18.01 | cm |
| Pion collision length | 105.7 | g cm-2 | 14.72 | cm |
| Pion interaction length | 158.2 | g cm-2 | 22.03 | cm |
| Radiation length | 14.94 | g cm-2 | 2.081 | cm |
| Critical energy | 23.52 | MeV (for e-) | 22.79 | MeV (for e+) |
| Molière radius | 13.47 | g cm-2 | 1.877 | cm |
| Plasma energy ℏωp | 52.46 | eV | ||
| Muon critical energy | 371. | GeV |