| Quantity | Value | Units |
Value | Units |
| Atomic number |
54 |
|
| |
| Atomic mass |
131.293(6) |
g mole-1 |
| |
| Specific gravity
(20° C, 1 atm) |
5.483E-03 |
g cm-3 |
| |
| Mean excitation energy |
482.0 |
eV |
| |
| Minimum ionization |
1.255 |
MeV g-1cm2 |
6.882E-03 |
MeV cm-1 |
| Nuclear collision length |
100.8 |
g cm-2 |
1.839E+04
| cm |
| Nuclear interaction length |
172.1 |
g cm-2 |
3.139E+04
| cm |
| Pion collision length |
125.0 |
g cm-2 |
2.279E+04
| cm |
| Pion interaction length |
199.6 |
g cm-2 |
3.640E+04
| cm |
| Radiation length |
8.48
| g cm-2 |
1547.
| cm |
| Critical energy |
12.30 |
MeV (for e-) |
11.91
| MeV (for e+) |
| Molière radius |
14.63 |
g cm-2 |
2667.
| cm |
| Plasma energy ℏωp |
1.37 |
eV |
| |
| Muon critical energy |
232. |
GeV |
| |
| Melting point |
161.4 |
K |
-111.8
| C |
| Boiling point @ 1 atm |
165.1
| K |
-108.0
| C |
| Index of refraction
(0° C, 1 atm, Na D) |
701.
| (n-1)x106 |
|
| |
For muons,