| Quantity | Value | Units | Value | Units |
| Atomic number | 34 | |||
| Atomic mass | 78.971(8) | g mole-1 | ||
| Specific gravity | 4.500 | g cm-3 | ||
| Mean excitation energy | 348.0 | eV | ||
| Minimum ionization | 1.343 | MeV g-1cm2 | 6.044 | MeV cm-1 |
| Nuclear collision length | 88.7 | g cm-2 | 19.71 | cm |
| Nuclear interaction length | 146.7 | g cm-2 | 32.60 | cm |
| Pion collision length | 113.5 | g cm-2 | 25.23 | cm |
| Pion interaction length | 175.0 | g cm-2 | 38.90 | cm |
| Radiation length | 11.91 | g cm-2 | 2.647 | cm |
| Critical energy | 17.34 | MeV (for e-) | 16.79 | MeV (for e+) |
| Molière radius | 14.57 | g cm-2 | 3.237 | cm |
| Plasma energy ℏωp | 40.11 | eV | ||
| Muon critical energy | 285. | GeV |