Atomic and nuclear properties of materials:
Liquid fluorine (F2) (F )
QuantityValueUnits ValueUnits
Atomic number 9     
Atomic mass 18.9984032(5) g mole-1   
Density 1.51 g cm-3   
Mean excitation energy 115.0 eV   
Minimum ionization 1.634 MeV g-1cm2 2.462 MeV cm-1
Nuclear collision length 65.0 g cm-2 43.10 cm
Nuclear interaction length 97.4 g cm-2 64.64 cm
Pion collision length 91.0 g cm-2 60.40 cm
Pion interaction length 127.2 g cm-2 84.43 cm
Radiation length 32.93 g cm-2 21.85 cm
Critical energy 59.81 MeV (for e-) 58.17 MeV (for e+)
Molière radius 11.68 g cm-2 7.748 cm
Plasma energy 24.35 eV   
Muon critical energy 811. GeV   
Melting point 53.53 K -219.6 C
Boiling point @ 1 atm 85.03 K -188.1 C
For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PS PDF TEXT
Table of muon dE/dx and Range: PS PDF TEXT
Explanation of some entries
Table of isotopes Warning: may not be current
x ray mass attenuation coefficients