Atomic and nuclear properties of materials:
Flerovium confirmed September 2009
Status of heaviest elements as of January 2013 (pdf)
Atomic number 114  
Atomic mass [289.187(5)] g mole-1
Density ?? g cm-3
Mean excitation energy 1185.0 eV
Minimum ionization 1.080 MeV g-1cm2
Nuclear collision length 125.4 g cm-2
Nuclear interaction length 223.0 g cm-2
Pion collision length 147.9 g cm-2
Pion interaction length 248.8 g cm-2
Radiation length 5.08 g cm-2
Critical energy 5.75 MeV (for e-)
Molière radius 18.74 g cm-2
Plasma energy 67.70 eV
Muon critical energy 112. GeV
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
Note: One of the atomic masses reported by the JINR-LLNL group is given.
Note: Density 14.0 g/cm3 and Ieff = 1185 eV assumed in calculating critical energies and dE/dx.