August 2022 2 10 Report
2.Ядро атома алюминия (27А1) образовано

1)14 протонами и 13 электронами
2)14 протонами и 13 нейтронами
3)13 протонами и 14 нейтронами
4)13 нейтронами и 14 электронами







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