Atomic and nuclear properties of nihonium (Nh)

Recognized by IUPAC on December 2015, name recognized November 2016.
Status of heaviest elements as of June 2017 (pdf)
QuantityValueUnits
Atomic number 113  
Atomic mass [286.18221(6)] g mol-1
Density ?? g cm-3
Mean excitation energy 1171.0 eV
Minimum ionization 1.091 MeV g-1cm2
Nuclear interaction length 222.3 g cm-2
Nuclear collision length 125.0 g cm-2
Pion interaction length 247.8 g cm-2
Pion collision length 147.5 g cm-2
Radiation length 5.10 g cm-2
Critical energy 5.84 MeV (for e-)
Muon critical energy 113. GeV
Molière radius 18.53 g cm-2
Plasma energy ωp 67.99 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 = 1171 eV assumed in calculating critical energies and dE/dx.
Table of isotopes via WIKIPEDIA