Atomic and nuclear properties of curium (Cm)
QuantityValueUnits ValueUnits
Atomic number 96     
Atomic mass [247.07035(3)] g mol-1   
Density 13.51 g cm-3   
Mean excitation energy 939.0 eV   
Minimum ionization 1.082 MeV g-1cm2 14.61 MeV cm-1
Nuclear interaction length 211.6 g cm-2 15.66 cm
Nuclear collision length 119.9 g cm-2 8.871 cm
Pion interaction length 237.5 g cm-2 17.58 cm
Pion collision length 142.7 g cm-2 10.56 cm
Radiation length 5.79 g cm-2 0.4287 cm
Critical energy 6.44 MeV (for e-) 6.20 MeV (for e+)
Muon critical energy 126. GeV   
Molière radius 19.07 g cm-2 1.411 cm
Plasma energy ωp 66.02 eV   
Melting point 278.1 K 5.000 C
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.
Table of isotopes via WIKIPEDIA