Atomic and nuclear properties of materials:
Lithium (Li)
QuantityValueUnits ValueUnits
Atomic number 3     
Atomic mass 6.941(2) g mole-1   
Density 0.534 g cm-3   
Mean excitation energy 40.0 eV   
Minimum ionization 1.639 MeV g-1cm2 0.8750 MeV cm-1
Nuclear collision length 52.2 g cm-2 97.69 cm
Nuclear interaction length 71.3 g cm-2 133.6 cm
Pion collision length 79.1 g cm-2 148.2 cm
Pion interaction length 103.3 g cm-2 193.4 cm
Radiation length 82.78 g cm-2 155.0 cm
Critical energy 149.06 MeV (for e-) 145.33 MeV (for e+)
Molière radius 11.78 g cm-2 22.05 cm
Plasma energy 13.84 eV   
Muon critical energy 1578. GeV   
Melting point 453.6 K 180.5 C
Boiling point @ 1 atm 1615. K 1342. 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