| Quantity | Value | Units |
| Atomic number | 107 | |
| Atomic mass | [270.13336(4)] | g mol-1 |
| Density | ?? | g cm-3 |
| Mean excitation energy | 1087.0 | eV |
| Minimum ionization | 1.097 | MeV g-1cm2 |
| Nuclear interaction length | 218.0 | g cm-2 |
| Nuclear collision length | 122.9 | g cm-2 |
| Pion interaction length | 243.6 | g cm-2 |
| Pion collision length | 145.6 | g cm-2 |
| Radiation length | 5.27 | g cm-2 |
| Critical energy | 6.06 | MeV (for e-) |
| Muon critical energy | 117. | GeV |
| Molière radius | 18.45 | g cm-2 |
| Plasma energy ℏωp | 67.86 | eV |