Atomic and nuclear properties of materials:
Curium (Cm)
QuantityValueUnits ValueUnits
Atomic number 96     
Atomic mass [247.0704] g mole-1   
Specific gravity 13.5 g cm-3   
Minimum ionization 1.082 MeV g-1cm2 14.61 MeV cm-1
Nuclear collision length 119.9 g cm-2 8.871 cm
Nuclear interaction length 211.6 g cm-2 15.66 cm
Radiation length 5.79 g cm-2 0.4287 cm
Critical energy 6.44 MeV (for e-) 6.20 MeV (for e+)
Molière radius 19.07 g cm-2 1.411 cm
Plasma energy 66.02 eV   
Muon critical energy 126. GeV   
Melting point 278.1 K 5.000 C
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: Since there is no stable isotope, given atomic mass is that of the longest-lived known isotope as of Jan 2007.
Table of isotopes