# Inner electrons 80 # Outer electrons 56 # Protons 136 Abundance 7.85 An-Isotope 56:136 Approval Stats BE - Actual 1142.77 BE - Nucleon 8402.75 Element Barium Half Life Stable Mass Actual 135.90 Mass Calculated 137.06 Mass H Norm 134.85 Stability Stable
