Question

расчитать число нейтронов (N) - K, Ca, Mn, Fe, CL

Answer 1

N(K) = 39-19 = 20

N(Ca) = 63 - 29 = 34

N(Mn) = 55-25 = 30

N(Fe) = 56-26 = 30

N(Cl) = 35-17= 18