Atomic and nuclear properties of flerovium (Fl)

Element 114 Recognized by IUPAC May 2009, name recognized May 2012
Status of heaviest elements as of June 2017 (pdf)
Atomic number 114  
Atomic mass [289.19042(5)] g mol-1
Density ?? g cm-3
Mean excitation energy 1185.0 eV
Minimum ionization 1.080 MeV g-1cm2
Nuclear interaction length 223.1 g cm-2
Nuclear collision length 125.4 g cm-2
Pion interaction length 248.5 g cm-2
Pion collision length 147.9 g cm-2
Radiation length 5.08 g cm-2
Critical energy 5.75 MeV (for e-)
Muon critical energy 112. GeV
Molière radius 18.74 g cm-2
Plasma energy ωp 67.70 eV
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: Density 14.0 g/cm3 and Ieff = 1185 eV assumed in calculating critical energies and dE/dx.
Table of isotopes via WIKIPEDIA