Quantity | Value | Units | Value | Units |
Atomic number | 12 | |||
Atomic mass | 24.305(6) | g mole-1 | ||
Specific gravity | 1.740 | g cm-3 | ||
Mean excitation energy | 156.0 | eV | ||
Minimum ionization | 1.674 | MeV g-1cm2 | 2.913 | MeV cm-1 |
Nuclear collision length | 68.2 | g cm-2 | 39.20 | cm |
Nuclear interaction length | 104.1 | g cm-2 | 59.84 | cm |
Pion collision length | 94.2 | g cm-2 | 54.13 | cm |
Pion interaction length | 133.7 | g cm-2 | 76.81 | cm |
Radiation length | 25.03 | g cm-2 | 14.39 | cm |
Critical energy | 46.55 | MeV (for e-) | 45.25 | MeV (for e+) |
Molière radius | 11.40 | g cm-2 | 6.553 | cm |
Plasma energy ℏωp | 26.71 | eV | ||
Muon critical energy | 659. | GeV |