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A) Mg -2e --> Mg2+
l.p. =12
l.e. =10
B) Cl +1e ---> Cl-
l.p. = 17
l.e. =18
2. Uzupełnij zapis powstawania jonu z atomu. podaj liczby p+ i e- w jonie.
A) K-1e --> K+
p+=19
e-=18
B) S +2e --> S2-
p+=16
e-=18