# Inner electrons 40 # Outer electrons 30 # Protons 70 Abundance 0.61 An-Isotope 30: 70 Approval Stats BE - Actual 611.09 BE - Nucleon 8729.81 Decay 2B- 100, 2B- Element Zinc Half Life 3.8E+018 Y Mass Actual 69.93 Mass Calculated 70.55 Mass H Norm 69.38 Stability Stable
