Quantity | Value | Units |
Value | Units |
Atomic number |
7 |
|
| |
Atomic mass |
14.007(2) |
g mole-1 |
| |
Specific gravity
(20° C, 1 atm) |
1.165E-03 |
g cm-3 |
| |
Mean excitation energy |
82.0 |
eV |
| |
Minimum ionization |
1.825 |
MeV g-1cm2 |
2.127E-03 |
MeV cm-1 |
Nuclear collision length |
61.1 |
g cm-2 |
5.242E+04
| cm |
Nuclear interaction length |
89.7 |
g cm-2 |
7.696E+04
| cm |
Pion collision length |
88.4 |
g cm-2 |
7.583E+04
| cm |
Pion interaction length |
121.7 |
g cm-2 |
1.044E+05
| cm |
Radiation length |
37.99
| g cm-2 |
3.260E+04
| cm |
Critical energy |
91.74 |
MeV (for e-) |
89.71
| MeV (for e+) |
Molière radius |
8.78 |
g cm-2 |
7536.
| cm |
Plasma energy ℏωp |
0.70 |
eV |
| |
Muon critical energy |
1154. |
GeV |
| |
Melting point |
63.15 |
K |
-210.0
| C |
Boiling point @ 1 atm |
77.29
| K |
-195.9
| C |
Index of refraction
(0° C, 1 atm, Na D) |
298.
| (n-1)x106 |
|
| |
For muons,