# Inner electrons 165 # Outer electrons 107 # Protons 272 An-Isotope 107:272 Approval Stats BE - Actual 1982.88 BE - Nucleon 7290.00 Decay A 100 Element Bhorium Half Life 10.5 s Mass Actual 272.14 Mass Calculated 274.13 Mass H Norm 270.03 Stability Unstable
