| Quantity | Value | Units | Value | Units |
| Atomic number | 40 | |||
| Atomic mass | 91.224(2) | g mol-1 | ||
| Density | 6.506 | g cm-3 | ||
| Mean excitation energy | 393.0 | eV | ||
| Minimum ionization | 1.349 | MeV g-1cm2 | 8.777 | MeV cm-1 |
| Nuclear interaction length | 153.4 | g cm-2 | 23.58 | cm |
| Nuclear collision length | 91.9 | g cm-2 | 14.12 | cm |
| Pion interaction length | 181.2 | g cm-2 | 27.86 | cm |
| Pion collision length | 116.6 | g cm-2 | 17.92 | cm |
| Radiation length | 10.20 | g cm-2 | 1.567 | cm |
| Critical energy | 14.74 | MeV (for e-) | 14.27 | MeV (for e+) |
| Muon critical energy | 248. | GeV | ||
| Molière radius | 14.67 | g cm-2 | 2.254 | cm |
| Plasma energy ℏωp | 48.67 | eV |