| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.49930 | |||
| Density | 2.20 | g cm-3 | ||
| Minimum ionization | 1.699 | MeV g-1cm2 | 3.737 | MeV cm-1 |
| Nuclear collision length | 65.2 | g cm-2 | 29.64 | cm |
| Nuclear interaction length | 97.8 | g cm-2 | 44.47 | cm |
| Pion collision length | 91.9 | g cm-2 | 41.77 | cm |
| Pion interaction length | 128.8 | g cm-2 | 58.56 | cm |
| Radiation length | 27.05 | g cm-2 | 12.29 | cm |
| Critical energy | 50.58 | MeV (for e-) | 49.17 | MeV (for e+) |
| Molière radius | 11.34 | g cm-2 | 5.154 | cm |
Plasma energy ![]() |
30.20 | eV | ||
| Muon critical energy | 708. | GeV | ||
| Melting point | 1986. | K | 1713. | C |
| Boiling point @ 1 atm | 3223. | K | 2950. | C |
| Index of refraction (@ STP, Na D) | 1.46 |
| Elem | Z | Atomic frac* | Mass frac* |
| 8 | |||
| 14 | |||
| * calculated from mass fraction data. | |||