# Inner electrons 150 # Outer electrons 97 # Protons 247 An-Isotope 97:247 Approval Stats BE - Actual 1852.24 BE - Nucleon 7498.94 Decay A 100 Element Berkelium Half Life 1380 Y Mass Actual 247.07 Mass Calculated 248.93 Mass H Norm 245.15 Stability Unstable
