Atomic and nuclear properties of seaborgium (Sg)

Quantity	Value	Units
Atomic number	106
Atomic mass	[269.12863(5)]	g mole-1
Specific gravity	??	g cm-3
Mean excitation energy	1074.0	eV
Minimum ionization	1.085	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	5.34	g cm-2
Critical energy	6.06	MeV (for e-)
Molière radius	18.67	g cm-2
Plasma energy ℏωp	67.42	eV
Muon critical energy	114.	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 I_eff = 1074 eV assumed in calculating critical energies and dE/dx.
Table of isotopes via WIKIPEDIA