3 Ustal liczbę protonów, neutronów, nukleonów i elektronów dla jonów (A.-D.)
A.17/8 O-
B.44/20 CA 2+
C.7/3 Li+
D.14/7N i 3-
A.17/8 O-
B.44/20 CA 2+
C.7/3 Li+
D.14/7N i 3-
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a) 8 protonów, 10 elektronów, 9 neutronów, 17 nukleonów
b) 20 protonów, 18 elektronów, 24 neutrony, 44 nukleony
c) 3 protony, 2 elektrony, 4 neutrony, 7 nukleonów
d) 7 protonów, 10 elektronów, 7 neutronów, 14 nukleonów