| Quantity | Value | Units | |||||||||||||||||||
| Atomic number | 87 | n | |||||||||||||||||||
| Atomic mass | (223.019736) | g mole-1 | |||||||||||||||||||
| Density (20° C, 1 atm): | Unknown | g cm-3 | |||||||||||||||||||
| Radiation length | Pending | g cm-2 |
| Nuclear collision length
|
Pending
| g cm-2
|
| Nuclear interaction length
|
Pending
| g cm-2
|
| Critical energy (e-)
|
Pending
| MeV
| Molière radius
|
Pending
| g cm-2
|
| Muon critical energy
|
Pending
| GeV
| |