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Ответ

Ответ дан
N1Melnik

Li2O (+1; -2)

Na2O (+1; -2)

K2O (+1; -2)

CuO (+2; -2)

Ag2O (+1; -2)

MgO (+2; -2)

CaO (+2; -2)

SrO (+2; -2)

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