| Quantity | Value | Units |
| Atomic number | 101 | |
| Atomic mass | [258.09843(3)] | g mole-1 |
| Density | ?? | g cm-3 |
| Mean excitation energy | 1007.0 | eV |
| Minimum ionization | 1.095 | MeV g-1cm2 |
| Nuclear collision length | 121.3 | g cm-2 |
| Nuclear interaction length | 214.7 | g cm-2 |
| Pion collision length | 144.1 | g cm-2 |
| Pion interaction length | 240.8 | g cm-2 |
| Radiation length | 5.55 | g cm-2 |
| Critical energy | 6.37 | MeV (for e-) |
| Molière radius | 18.49 | g cm-2 |
Plasma energy ![]() |
67.45 | eV |
| Muon critical energy | 121. | GeV |
| Melting point | 300.1 | K |