Atomic and nuclear properties of hassium (Hs)
Atomic number 108  
Atomic mass [269.13375(13)] g mole-1
Specific gravity ?? g cm-3
Mean excitation energy 1102.0 eV
Minimum ionization 1.110 MeV g-1cm2
Nuclear collision length 122.8 g cm-2
Nuclear interaction length 217.7 g cm-2
Pion collision length 145.5 g cm-2
Pion interaction length 243.7 g cm-2
Radiation length 5.17 g cm-2
Critical energy 6.01 MeV (for e-)
Molière radius 18.24 g cm-2
Plasma energy ωp 68.30 eV
Muon critical energy 119. GeV
For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PDF TEXT
Table of muon dE/dx and Range: PDF TEXT
Explanation of some entries
Note: Since there is no stable isotope, [atomic mass] is that of the longest-lived isotope known as of Jun 2017.
Note: Density 14.0 g/cm3 and Ieff = 1102 eV assumed in calculating critical energies and dE/dx.
Table of isotopes via WIKIPEDIA