Quantity | Value | Units | Value | Units |
<Z/A> | 0.49931 | |||
Specific gravity | 1.107 | g cm-3 | ||
Mean excitation energy | 79.7 | eV | ||
Minimum ionization | 1.782 | MeV g-1cm2 | 1.972 | MeV cm-1 |
Nuclear collision length | 59.0 | g cm-2 | 53.32 | cm |
Nuclear interaction length | 85.7 | g cm-2 | 77.46 | cm |
Pion collision length | 87.0 | g cm-2 | 78.55 | cm |
Pion interaction length | 119.3 | g cm-2 | 107.8 | cm |
Radiation length | 40.11 | g cm-2 | 36.24 | cm |
Critical energy | 78.33 | MeV (for e-) | 76.24 | MeV (for e+) |
Molière radius | 10.86 | g cm-2 | 9.810 | cm |
Plasma energy ℏωp | 21.42 | eV | ||
Muon critical energy | 967. | GeV | ||
Melting point | 277.0 | K | 3.820 | C |
Boiling point @ 1 atm | 374.5 | K | 101.4 | C |
Index of refraction (Na D) | 1.328 |
Elem | Z | Atomic frac* | Mass frac |
1 | |||
8 | |||
* calculated from mass fraction data |