ocr: 4. Isotope Building - - DawQue Fe Iron a - a à ugag - - wuuge HHUM H-EWO L F - Proton No. 26 Nucleon No. 56 1 - - L Hauwewe Isotope type: Most abundant (91.80%) P - - Eua E - a D e la - DPUWN - a - a - wu - Protons 26 Neutrons - 30 Electrons 26 - - -