| Quantity | Value | Units | Value | Units |
| Atomic number | 78 | |||
| Atomic mass | 195.084(9) | g mole-1 | ||
| Specific gravity | 21.45 | g cm-3 | ||
| Mean excitation energy | 790.0 | eV | ||
| Minimum ionization | 1.128 | MeV g-1cm2 | 24.21 | MeV cm-1 |
| Nuclear collision length | 112.2 | g cm-2 | 5.230 | cm |
| Nuclear interaction length | 195.7 | g cm-2 | 9.125 | cm |
| Pion collision length | 135.6 | g cm-2 | 6.320 | cm |
| Pion interaction length | 222.4 | g cm-2 | 10.37 | cm |
| Radiation length | 6.54 | g cm-2 | 0.3051 | cm |
| Critical energy | 7.59 | MeV (for e-) | 7.31 | MeV (for e+) |
| Molière radius | 18.29 | g cm-2 | 0.8527 | cm |
| Plasma energy ℏωp | 84.39 | eV | ||
| Muon critical energy | 144. | GeV | ||
| Melting point | 2042. | K | 1768. | C |
| Boiling point @ 1 atm | 4098. | K | 3825. | C |