# Inner electrons 126 # Outer electrons 85 # Protons 211 An-Isotope 85:211 Approval Stats BE - Actual 1648.20 BE - Nucleon 7811.35 Decay EC 58.2, A 41.8 Element Astatine Half Life 7.214 h Mass Actual 210.99 Mass Calculated 212.65 Mass H Norm 209.35 Stability Unstable
