# Inner electrons 147 # Outer electrons 96 # Protons 243 An-Isotope 96:243 Approval Stats BE - Actual 1829.04 BE - Nucleon 7526.92 Decay A 99.71, EC 0.29, SF 5.3E-09 Element Curium Half Life 29.1 Y Mass Actual 243.06 Mass Calculated 244.90 Mass H Norm 241.17 Stability Unstable
