podane atomy podziel na zbiory izotopów i podaj ich nazwę 58/28 E, 58/26 E, 54/24 E, 54/26 E, 60/28 E
58/28 E i 60/28 E - Nikiel
58/26 E i 54/26 - Żelazo
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58/28 E i 60/28 E - Nikiel
58/26 E i 54/26 - Żelazo