podaj liczbe protonow, elektronow, neutronow i nukleonow w nastepujacych atomach i jonach:
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Odpowiedź:
protony elektrony neutrony nukleony
15
N3- 7 10 8 15
7
42
Ca 20 20 22 42
20
120
Sn 50 50 70 120
50
56
Fe 3+ 26 23 30 56
26